This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

◄◄ Back to Wiki Index

► Documentaries

⭐ IHaveNoTV
⭐ DocumentaryArea / Remove Watermark (or use PIP)
⭐ Documentary+
⭐ 1337x Documentaries / Torrent
LearnOutLoud
Top Documentary Films
Thought Maybe
Media Burn Archive
DocumentaryHeaven
ARTE
Documentary Network
Documentary Storm
Documentary Tube
Rocumentaries
WatchDocumentaries
PBS
Nat Geo
Folkstreams
Films For Action
r/Documentaries
Videoneat
MVGroup

► Courses

▷ Streaming

🌐 Awesome Courses - Courses
🌐 Limnology - Educational YouTube Channels
↪️ Udemy Tools / Coupons
↪️ Chemistry Lessons
⭐ edX - Courses / Downloader
⭐ MitOpenCourseWare - Courses
⭐ Khan Academy - Courses / Downloader / Solver
⭐ Class Central - Search for Courses
CourseBuffet or Course CSE - Multi-Site Course Search
Git.ir - Courses
OpenLearn - Courses
Alison - Courses
Saylor Academy - Courses
EbookFoundation Courses - Courses
OpenCulture - Courses
DigitalGarage - Google Courses
OpenHPI - Courses
OLI - Courses
LearnOutLoud - Documentaries / Courses
Video Lectures - Lectures
Gresham College - Lectures / YouTube
Crash Course - Topic Crash Courses

▷ Downloading

Note - Use redirect bypassers to skip annoying link shorteners.

🌐 Free-Courses-For-Everyone - Course Site Index
⭐ TutFlix - Courses / Drives / Sign-Up Opens Fridays
⭐ HackNation - Courses
⭐ tut4dl - Courses
⭐ Course Busters - Course Busters Access
FreeCourseSite or Docspedia - Torrenting Sites / Use VPN
Revival - Courses
FreeEducationWeb - Courses
OneHack - Courses / Telegram
FreeCourseSite, 2 - Courses
technet24 - Courses
AfraTafreeh - Courses
learningDL - Courses / Leech Required
LinkedIn_Learning - LinkedIn Courses
CertCommunity - IT Cert Courses
firerip - Fireship.io Course Downloader

► Learning Sites

🌐 Learn Anything - Learning Resource Search / Free Method / Discord / GitHub
🌐 Wakelet - Learning Resources
🌐 WISC - Learning Resources
🌐 OpenCulture - Learning Resources
🌐 OSSU - Learning Resources / Discord
🌐 The Free Learning List - Learning Resources
🌐 Awesome Educational Games - Educational Games Index
↪️ Ebook Sites
↪️ Quotes / Poetry
↪️ Survival / Prepping
↪️ Science News
⭐ r/coolguides or coolguid.es - Guides & Tutorials
⭐ r/educationalgifs - Learn with GIFs
⭐ r/explainlikeimfive - Have Anything Explained Very Simply
⭐ The Punctuation Guide - Punctuation Guide
⁠Basic Knowledge 101 - Knowledgebase / Topic Learning
media.ccc.de - Educational Presentations
Ted Talks - Inspiring and Educational Talks
Stack Exchange or Quetre - Q&A Communities
ISODN - International Science Olympiads Discord Community
Learn About or Learning Coach - Google's Educational Search AIs
AFAIK - Learning Map / Discord
AnimaGraffs - Animated Infographs
Memory Toys, Dual N-Back or BrainScale - Memory Tests / Training
Information Is Beautiful or HalcyonMaps - Data / Information / Infographics / Visualizations
HowStuffWorks or CoolMindMaps - Learn How Things Work
Common Misconceptions - Common Misconception Index
masterWiki - MasterClass Classes Republished as wikiHow Articles
LitCharts - Literature Guides
Appropedia - Sustainability Wiki
British & Exotic Mineralogy - Mineralogy Database
AirVectors or PlaneSpotters - Aircraft Indexes / Images
ShipSpotting - Ship Index / Images
HerbologyY - Herbology / Telegram
Alchemy Forums - Alchemy Forum
P2PU - Join Learning Groups Using Free Courses

▷ Skills / Hobbies

↪️ Typing Tests / Games
Rookie Road - Sport Guides
Make it Yourself - 1000 DIY Projects / Video
Animated Knots or NetKnots - Learn to Tie Knots
Ian's Shoelace Site - Learn to Tie Shoelaces
Polymaker / Discord or Teaching Tech / GitHub - 3D Printer Guides / Learning
Perry Morse, Morse Typing Trainer or ICWO - Learn / Practice Morse Code
Lock Picking 101 - Lock Picking Forum
LibraryOfJuggling - Juggling Technique Database
diyhpluswiki - DIY Biohacking
BeatBlackjack - Learn Blackjack Card Counting
Excel Practice Online - Excel Practice / Guides
ActivistHandbook - Campaigning / Activism Guides
Bridge Command - Bridge Command Ship Simulator
HypnosisChatBooks - Hypnosis / Telegram
Erowid - Psychoactive Information
PsychonautWiki - Psychonautics Wiki
Shroomery - Magic Mushroom Forum

▷ Interactive Learning

⭐ PhET, Cognito, Academo - Interactive Lessons
Explorabl.es, MinuteLabs, Wikiversity or Learnamic - Quizzes / Guides / Games
LabXchange, JavaLab or EduMedia - Interactive Science Simulations
Matthen - Math & Science Animations

▷ History

↪️ History Books
↪️ Historical Maps - Map Resources
↪️ ⁠WW2 Links - Educational WW2 Resources
⭐ Historic Films or National Film Preservation Foundation - Historic Footage / Films
⭐ Histography or Oldest - History Timelines
⭐ MorbidKuriosity - Dark History, Conspiracies, Crime, Myths, etc.
Smithsonian Institution Archives or RareHistoricalPhotos - Historical Photos / Documents
Imperial War Museums - Historic War Footage
Museo - Museum Search
Wonderous - Learn About Ancient Structures
Shorpy - Historical Photos
EyewitnesstoHistory - Historical Eyewitness Testimonies
ManuscriptMiniatures - Medieval Manuscript Images
BlackPast - African History Encyclopedia
Athena - Greek History Encyclopedia
Mission US - American History Learning Games
OnThisDay or Curiosity Of The Day - What Happened on Specific Days
Royal Constellations - Royal Family Ancestral Visualization
⁠Historical Tech Tree or Calculating Empires - Historical Discovery / Tech Timelines
ETHW - Engineering and Technology History Wiki
Royal Armouries Collections - Ancient Armaments Museum
NuclearWeaponArchive - Nuclear Weapons History
911 Realtime - 9/11 in Real-Time
The Food Timeline - Food History Timeline
Historical Recipes - Historical Recipes Site Index
Arachne - Ancient Sculpture Image Archive
SmartHistory - Art / Cultural Object History
⁠gwulo - Historical Hong Kong Photo Archive
CARI - Design Aesthetics History
ChinesePosters - Chinese Propaganda Poster History
Historical Fashion - Historical Fashion Resources / History
PessimistsArchive - Historical Technological Pessimism Archive
Time Portal - History Clip Guessing

▷ Mythology / Folklore

ABookOfCreatures, Demons of the Deep or Bestiary - Mythological Encyclopedias
GodChecker - Religion / Mythology History
ObscUrban Legend Wiki - Mythology / Urban Legends
Encyclopedia Mythica - Mythology / Folklore / Religion
Mythology.net - Mythology / Religion
Japanese Mythology or Yokai - Japanese Mythology / Folklore

▷ Philosophy

⭐ Stanford Encyclopedia of Philosophy, IEP or nLab Philosophy - Philosophy Encyclopedias / Search
Philosophy Bro, Reasoned, TheDailyIdea or PhilosophyBasics - Philosophy Resources / Learning
Wireless Philosophy - Philosophy Videos
Untools - Better Thinking Tools
Brainkit - Learn Helpful Principles
Art of Manliness - Develop Life Skills
VisualizeValue - Life Lesson Visualizations
Sketchplanations - Explanation Sketches
IEoP, YouLogicalFallacyIs, FallacyFiles or LogicalFallacies - Learn about Logical Fallacies
YourBias.is - Learn about Biases
Advanced Logic Calculators
Kialo - Debates / Discussion
WikEnigma - 'Known Unknowns' Wiki
The Trolley Problem Game - The Trolley Problem
Social Engineers - Social Engineering Guides

▷ Music

🌐 Awesome Music Theory - Music Theory Resources
↪️ Sheet Music / Notation
⭐ Muted, Open Music Theory / 2, Chromatone, Teoria, SimplifyingTheory, LightNote or Music Theory - Music Theory
AudioZ - Audio Courses / Forum
Helio / GitHub or NoteHeads - Music Composition Tools
MusicKit, ⁠Tuner or Tone Generator - Metronome, Tuner & Tone Generators
Tuner Ninja - Instrument Tuner
Circle of Fifths - Visualize Notes, Cords and Keys
ScoreCloud, ChordReader2 or Chordify - Chord Detection / Transcriber
Arpeggiator, Chordi or AutoChords - Chord Progression Generators
HookTheory - Chord Progression Library
Piano Scribe - Piano Transcriber
LilyPond - Music Engraving Program
Learning Music or Musica - Music-Making Lessons
Midiano / Discord, Piano Trainer / GitHub, Chord Nebula, sightread or PianoCheetah - Piano Practice / Learning
Keyboard Connect - Keyboard Tutoring App
TrueToneGuitar, Songsterr / Premium, FAChords or ChordBook - Guitar Tools
FretFlip, Oolimo, StringScales, My Fretboard Trainer or GuitarScale - Learn Guitar Scales / Chords
JamStart - Spotify Chord Charts
#fretflip - Create / Print Guitar Scales & Chord Charts
JustinGuitar or Guitarsix - Guitar Lessons
Ultimate Guitar - Guitar Tabs
Chorder - Guitar Chord Finder
Guitar Fretboard, Fretastic or Gitori - Virtual Fretboards / Guitar Lessons
coop3rdrumm3r or FreeDrumLessons - Drum Lessons
911tabs or Finger Tabs - Tabs
Jazz Improvisor - Improvised Jazz
LearningSynths - Synthesizers
Sight Singing Factory - Sight Singing Practice
A-Complete-UTAU-Tutorial-For-Beginners - UTAU Tutorial
PerfectPitch - Pitch Recognition Practice
MusicStaff - Music Teacher Search
ChiffAndFipple - Irish Traditional Music Forum
MIMO - Musical Instrument Database
VGM Sound Sources - VGM Sound Sources / Discord

▷ Art / Editing

🌐 Creator Resources - Art & Animation Resource Index
🌐 AwesomeAnimeResearch - Anime Machine Learning
↪️ Digital Art Collections
⭐ Art Study Guide - Art Study Guides / Tips
⭐ Drawabox, Drawing Starter Pack Playlist, FarsiTuts or Bill Martin's Guide to Drawing - Drawing Lessons
⭐ Proko - Figure Drawing Lessons
⭐ PaintingTube, MarcoBucci, Alphonso Dunn, Feng Zhu FZD, Art Fundamentals or Circle Line Art - Art Video Tutorials
Ubu - Avant-Garde Artifacts
online-courses - Art / Design Courses
TutsPlus - Creative Courses
Curriculum for the Solo Artists - Self-Taught Artist Curriculum
DoArtDaily - Daily Art Challenges
Character Design References - Character Design Visual Library
FloobyNooby, JMMStoryboardTips or A Guide to Storyboards - Storyboard Guides
Settei Dreams - Anime Production Materials
Anime Study General - Anime Production Community
McLelun - Anime Style Background Tutorial
AnimeOutline - Anime / Manga Drawing Tutorials
Design Tuts - Design Tutorials
PhotoshopTutorials.ws - Photoshop Tutorials
DomDesigns - Illustrator Tutorials
PhotoshopTraining, Phlearn or PiXimperfect - Photoshop YouTube Tutorials
The Bézier Game - Pen Tool Practice
ArtWithFlo - Procreate Tutorials
Paintable - Digital Art Tutorials
Pedro's Pixel Art Tutorials or SLYNYRD - Pixel Art Tutorials
MetPublications - Art Learning Books
GraphicsCodex - 3D Computer Graphic Guides
DrawingNow - Learn to Draw
Drawingbooks.org - Old Drawing Books
Line of Action, Timed Figure Poses, LoveLifeDrawing or Daily Life Drawing Sessions - Figure Sketch Tools / Lessons
Artist Reference - Photo References for Artists
Reference Angle - Human Photo Reference Search
x6ud - Animal Photo Reference Search
Thomas Romain Perspective - Perspective Guide
Dimensions - Object Dimension Reference
DevinKorwin Color Guide - Color in Paintings Guide
Draw Mix Paint - Learn Oil Painting
Painting Demos - Painting Demonstrations
cg_tuts or cgreferenceshub - CG Tutorials
Agora - Animation Learning Community / Tutorials / Discord
AMV101 - Animated Music Video-Making Guides

▷ Geography / Sociology

🌐 Awesome Datasets - Public Datasets
🌐 Country Infographics - Country Infographic Images
↪️ Historical / Modern Maps - Map Resources
⭐ Worldometer, TheScaleOfLife, WorldBank, US Census, DataUSA, Data.gov or UN Data - World Data & Statistics
⭐ Our World in Data - World Problem Database
⭐ The Atlas of Economic Complexity - Global Economic Growth Data
⭐ Soar - Digital Atlas
Maps.com - Interesting / Educational Maps
LizardPoint, Worldle, Learn World Map, Seterra or Teuteuf - Geography Guessing / Quizzes
AntipodesMap - Find Antipodes
The True Size or True Size of Countries - Compare Country Size
NationsEncyclopedia - Location / Population Data
City Data - US City Data
Data Commons or Engaging Data - Data Visualizations
Global Consciousness Project - Real-Time Global Consciousness Data
If It Were My Home, GlobalEdge or MyLifeElsewhere - Country Data Comparisons
WorldPoverty - World Poverty Data
Dollar Street - Compare Homes by Country / Income
Unequal Scenes - Scenes of Inequality Around the World
EverySecond - Visualize Per Second Data
OEC or UN Comtrade - Global Trade Data
Statista - Market Statistics
Netblocks - Find Impact of Internet Shutdown on Economy
Rulers.org - World Heads Of State & Government Database
World Births and Deaths - World Birth / Death Rates Visualization
DataUNODC - Drug / Crime Statistics
Gun Violence Archive - Gun Violence Statistics
Incarceration in Real Numbers - Incarceration Visualization / Facts
Expatistan - Cost of Living Calculator
Climate Data or Climate Explorer - Climate Change Data
ExtremeWeatherWatch - Extreme Weather Data / Tracking
En-ROADS - Climate Solutions Simulator
Global Volcanism Program - Volcano Information Database
8000ers - Mountain Visualization & Info
iCivics - U.S. Law Learning Games
WorldLicensePlates - World License Plate Index
Symbols - Symbol Database
Flag Guesser or Flag Match - Flag Quizzes
FlagLog or Flaglookup - Flag Databases
Flag Stories - Flag Design Breakdowns
Hate on Display - Hate Symbol Database

▷ Virtual Tours

🌐 Virtual Museum Resources - Online Museums
⭐ CityHop, Travel Remotely, Portal Generator, Walk with Feel, Outside Simulator, Japan Walkaround, CityWalks, Citywalki or Virtual Vacations - Travel Simulators
Gez.la - Virtual Tours Map
Wiki Spaces - Virtual Tours
NaturalHistory - Natural History Museum Virtual Tour
Digital Giza - Great Pyramid Virtual Tours
Persepolis Reimagined - Explore Persepolis Recreation
BelowTheSurface - Archeological Object DB of Amsterdam
WW2 in 100 Objects - WW2 Museum Virtual Tour
Spitfire Panorama - Spitfire Mark IX Cockpit Interactve Panorama
Virtual Vist Tours - Ireland Virtual Tours
Matterport - Explore Real Places Digitally
Basilica Viewer - St. Peter’s Basilica Tour
360Cities, Zhijianshang or Airpano - 360 Images / Videos
Smithsonian 3D - Smithsonian 3D Digitization Museum
The Bayeux Tapestry - Bayeux Tapestry 3D Digitization

► Science / Math

▷ Physics

🌐 Physics Aviary or Falstad - Physics Tools
⭐ The Feynman Lectures - Physics Lectures
⭐ Bartosz Ciechanowski, Isaac Physics, PhysicsClassroom, HyperPhysics, MotionMountain or Splung - Physics Lessons / Learning
⭐ Physics Simulations, Mujoco, Physics Animations, oPhysics or MyPhysicsLab - Physics Simulations / Animations
TIB AV-Portal - Science Videos
PhysicsTravelGuide - Physics Explanations
nLab Physics - Physics Encyclopedia
Algodoo - Interactive Physics Tool
QPaths - Learn Basic Quantum Terms
quantum - Quantum Physics Learning App
Physics Forums - Physics / Science Forum
Physics Olympiads - ISODN Physics Discord Community
Unihedron - Electromagnetic Radiation Spectrum Chart
Quantum Web Directory - Science / Tech / Math / Physics
Virtual-Lab - Interactive Quantum Computing Lessons
Interactive 4D Handbook - Interactive Fourth Dimension
Ray Optics Simulation - Light Reflection / Refraction Simulator
Compare Pendulum or DoublePendulum - Pendulum Simulators
OpenFoam, PC Progress, Fluid Simulation WebGL, WebGL Fluid Experiment or Sim Flow - Fluid Dynamics Simulators
SimScale or CFDTool - Fluid Dynamics & Heat Transfer
Bouncy Balls or Balls Simulation - Ball Physics Simulator
WebGL Water - Water Simulation
LAMMPS - Molecular Dynamics (MD) Code
avogadro, 2 or MolView - Molecular Viewers / Editors
Simuwaerm - Heat Simulator

▷ Math

🌐 Awesome Math or Math Resources - Math Resources
↪️ Calculators / Problem Solvers
↪️ LaTeX Tools
⭐ Number Academy - Encyclopedia of Numbers
⭐ Wumbo - Math Reference Site
⭐ Open Source Society University / PT-BR - Math Roadmap / Discord
⭐ AoPS Alcumus or MathDash - Adaptive Problem Solving
⭐ BetterExplained - Math Guides / Courses
⭐ Manim, 2 - Generate Explanatory Math Videos / Videos / Difference Between Versions
⭐ WolframAlpha - Searchable Knowledge Base / Mobile
Wolfram MathWorld, Encyclopedia Of Math or nLab Math - Mathematics Encyclopedias
Red Blob Games or Mathspad - Interactive Math Sites
Mathcha, Corca or Math Editor - Online Math Editors
SequenceDB - Sequence Machine
OEIS - Encyclopedia of Integer Sequences
Giac/Xcas - Algebra System
Algebra Rules - Learn Algebra Rules
CalculusMadeEasy - Learn Calculus
CLP - Calculus Textbooks
Mathematics Roadmap - Mathematics Book Recommendations
Converter Pro, Rink, Frink, OneConverter or ConvertAll - Unit Converters / Calculators
MathJax - JavaScript Math Display
ISciDAVis - Scientific Data Plotter
Approach0 - Math Formula Search
MathOnline or Mathigon - Math / Courses
Professor Leonard, 3Blue1Brown or MisterWootube - YouTube Math Lessons
Mathispower4u, ⁠Andy Math, SchoolYourself, mathhelp, MathPortal, ⁠MadAsMaths, Math Planet or CoolMath - Math Lessons / Practice
CoolMathGames - Math Games
Cut The Knot - Math Equations / Problems
IXL Learning - Math Practice / Quizzes
Pauls Online Math Notes - Math Practice / Guides
HSCMathsByTopic - HSC Math Practice
ParkMath or FreeMathHelp - Math Guides
ISODN Math - ISODN Math Discord Community
Fourier Transform - Interactive Fourier Transform Guide
Terence Tao Research - Mathematical Research
OpenLogicProject - Math Logic Teaching Materials
Math is Fun - Math Tutorials / Puzzles / Games
Brainstellar Puzzles - Puzzles from Quant Interviews
Project Euler - Math / Programming Problems
IMS - Introduction to Modern Statistics
Seeing Theory or Stat Trek - Statistics & Probability Tutorials

▷ Engineering

🌐 The Engineering Toolbox or EngineersEdge - Engineering Resources
🌐 r/EngineeringStudents Resources - Engineering Student Resources
🌐 Awesome Mecheng - Mechanical Engineering Resources
🌐 Awesome Electronics - Electronic Engineering Resources
🌐 Engineering Blogs - Engineering Blogs
↪️ Comp Sci Resources
↪️ 3D Modeling / CAD Apps
⭐ r/AskEngineers / Wiki, r/engineering or r/AutomotiveEngineering - Engineering Subreddits
⭐ NPTEL or Sabin - Engineering Courses
⭐ KiCad / Libraries or Horizon EDA - Schematics Editor / PCB Creator / SPICE Integration
Formulia - Engineering Formulas / Tools
Sanfoundry - Engineering Questions & Answers
CESDB - Engineering Software
Robot Shop - Robotics Forum
VisRo Robotics - Robotics Learning / Discord
Humanoid Robots Wiki - Robotics Courses Index
Diode - 3D Hardware Simulator
Wokwi - Arduino / ESP32 Board Simulators
HDLBits - Learn Circuit Design
⁠Fritzing, SKiDL / GitHub, atopile, EasyEDA or LibrePCB - Electronic Circuit Design Tools
Circuit Steps - Circuit Analysis Tool
BatteryUniversity - Learn About Batteries
Electronics Tutorials or Instrumentacion - Electronic Guides
/m/engineering - Engineering Multireddit

▷ Chemistry

🌐 Wolfram Alpha Chemistry - Chemistry Calculators / Tools
↪️ Chemistry Lessons
↪️ Periodic Tables
⭐ Lab Safety Guide / Intro
⭐ LibreTexts Chemistry - Chemistry Texts
⭐ Internet Chemistry - Chemistry Search Index
Chemistry Basics - Basics of General, Organic, and Biological Chemistry
ChemicalAid or Chemequations - Chemistry Calculators / Element Tables
QuickChem - Chemistry Calculator
PubChem, MOTM, NIST or EssentialChemicalIndustry - Chemistry Wikis
ChemistrySteps, Science Geek or DocBrown - Chemistry Practice / Guides
Cliffnotes Chemistry / Organic Chemistry I / Organic Chemistry II, Chem Wiki or chemguide - Study Guides
ReactionFlash / iOS - Chemical Reaction Flashcards
ChemistryTalk - Tutorials / Experiments / Elements / Reference Articles
Sciencenotes - Periodic Tables / Chemistry Projects and Questions
Organic Chemistry or Synarchive - Organic Reactions
CommonOrganicChemistry - Common Reactions / Common Reagents
name-reaction - List of Name Reactions
ChemTube3D - Interactive 3D Chemistry Animations
ChemSpider - Chemical Structures
Merck Index - Online Merck Index
Organic Chemistry Data - Organic Chemistry Data
IGOC - Illustrated Glossary of Organic Chemistry
Colorado Chemistry Simulations - Chemistry Animations
Chemical Forums - Chemistry Forums
ISODN Chemistry - ISODN Chemistry Discord Community
Arkivoc - Journals
WebQC Balance Calculator - Chemical Equation Balance Calculator
Chemexper Chemical Directory - Chemical Directory
OrgSyn - Chemistry Prep Guides

▷ Periodic Tables

⭐ Ptable - Interactive Table
⭐ Images-of-elements - Element Images
⭐ periodic-table.org or Material Properties - Material / Element Learning Resources
Atom Animation / GitHub, Graph Overflow or 3D Periodic Table - 3D Visualizations of Atoms
Atomic - Periodic Table Mobile App
The Periodic Table Of Elements - Interactive Table
periodic-table.io - Interactive Table
Periodic Table App - Interactive Table
WebElements - Interactive Table

▷ Biology

⭐ Wikispecies or The Catalogue of Life - Species Databases
⭐ Animalia or A-Z Animal - Animal Encyclopedia
⭐ OneZoom - Tree of Life Explorer
⭐ Lost and Found Nature - Rediscovered Animal / Plant Database
BiologyOnline - Biology Articles
Science Geek - Biology Study Guides
Biodiversity Heritage Library - Biodiversity Research
Alien - Artificial Life Simulator / GitHub / Video
Metazooa - Species Connection Game
⁠Phenome10K - Biological / Palaeontological 3D Scans
RecentlyExtinctSpecies - Recently Extinct Species Database
UniProt - Protein Database
iNaturalist - Organism Identification
Ocearch - Track Marine Life
The Deep Sea - Interactive Deep Sea Life Guide
Pattern Radio - Listen to Whale Songs
eBird, Audubon or AllAboutBirds - Bird Species Databases / IDs
EuroBirdPortal - European Bird Distribution Map
BirdSounds - Thousands of Bird Sounds Visualized
Merlin or whoBIRD - Bird Picture / Sound Identification
Featherbase - Bird Feather Database
BugGuide - Insect Identification Community
AntWeb - Ant Species Database
Macroinvertebrates - Freshwater Macroinvertebrates Atlas
Life Under the Ice - View Antarctic Microbes
WhyDoCatsAndDogs...? - Pet Q&A Site
Backyard Chickens - Chicken Raising Forum
DinosaurPictures - Dinosaur Info / Images
Pteros - Pterosaur Database
WFO - Plant Database
The Ferns - Tropical Plant Database
ISODN Biology - ISODN Biology Discord Community

▷ Med School

🌐 r/MedicalSchool Wiki - Med School Resources
↪️ Health Resources
⭐ Khan Academy - Physiology / Pathology Overviews
⭐ Afratafreeh - Medical Video Courses and Books
⭐ Radiopaedia, Radiology Assistant or Radiology Education - Radiology Resources
⭐ ⁠Stop the Bleed - Free First Aid Video Courses / Resources
MDCalc, MSD Manuals or Epocrates - Medical Reference Sites / Tools
Geeky Medics, UC San Diego CG or Easy Auscultation - Clinical Guides
Glass AI - Medical Diagnoses' Training AI
Get Body Smart or University of Michigan Anatomy - Anatomy Guides
Zygote Body, AnatomyLearning or Biodigital - 3D Human Anatomical Models
Inner Body - Anatomy Atlas (2D&3D)
NIH Print - Biomedical Science 3D Models
Sectional Anatomy - Cross Sectional Educational MRI / CT Scans
University of Minnesota Histology or University of Leeds Histology - Histology Guides
Tulane University Pharmacology - Pharmacology Info & Quizzes
Antibiotics Summary - Antibiotics Summary Image
Healio ECG Review, ECG Library or Litfl - ECG Information
The ECG Course - ECG Video Course
ECG Wave-Maven: Self-Assessment Program - ECG Practice
Hyper Heart - Massey University Heart Animation
Emergency Medicine Cases - EM Case Index
EMCrit - Emergency Medicine Information
DeployedMedicine (signup) or TCCC - Combat Medicine Videos
EMRap - Emergency Medicine Videos
Calgary Guide - Disease Pathophysiology / Manifestation Flow-Charts
MalaCards - Human Disease Database
Epidemic Calculator - COVID Data
Pathology Outlines - Pathology Info
University of Utah Pathology - Pathology Guide
The Iowa Virtual Slidebox - Pathology Atlas Software
Nextstrain - Pathogen Evolution Tracking
⁠HemOnc - Hematology / Oncology Reference Site
DermNet - Dermatology Reference Site
⁠EyeWiki - Eye Encyclopedia
Passmedicine - UCAT Practice Questions
UCAT Score - UCAT Score Converter
r/medicalschoolanki - Community for Medical Anki Cards
CRAM - Medical Flashcards

► Space

⭐ r/Space - Space Subreddit
⭐ Space Dashboard - Space Live Stream Dashboard
⭐ NASA - National Aeronautics and Space Administration Website / Images / Audio / Documents / APIs / History
⭐ March to the Moon, Apollo Image Atlas or ApolloArchive / Flickr - Moon Landing Images
Interactive Apollo Missions or FirstMenOnTheMoon - Apollo in Realtime
Marspedia - Mars Wiki
ESA - European Space Agency Website
Space.com - Space News
Encyclopedia Astronautica - Space Encyclopedia
NASA History or NASA Ebooks - NASA Books
⁠Cosmos2025, Map of the Universe, Scale of the Universe, AndroidCelestia or SpaceEngine / Old Versions - Interactive Universe Scales
NASA's Eyes or Celestia - 3D Space Visualizations / Solar System
ExoplanetExplore - Interactive Exoplanet Visualization
ExoplanetArchive - Exoplanet Database
RGV Aerial Photography - Aerial Photography Community / News
TheCMB - 3D Cosmic Microwave Background Model
ISODN Earth Science - ISODN Earth Science Discord Community

▷ Astronomy

🌐 Astronomy Resources - Astronomy Resources
⭐ JPL Photojournal or JPL Images - JPL Planetary Image Archives
⭐ In The Sky - Astronomy News / Interactive Guides
ISODN Astronomy & Astrophysics - ISODN Astronomy & Astrophysics Discord Community
ViewSpace - Space Videos and Digital Interactives
Planet Globe - Virtual Globes
Sky Calendar - Astronomy Calendar
Nights on Earth - Astronomical Event Calendar
Space Weather News or SpaceWeather - Space Weather Updates / Videos
SunCalc, ShadeMap or MoonCalc - Sun / Moon Position
Earth and Moon Viewer - Earth / Moon Latitude and Longitude Viewer
SDO Dashboard - Live Sun Feed
⁠WikiSky, SkyViewer or 100,000 Stars - Interactive Star Visualizations
CelesTrack - Earth Orbit Visualization
TheSkyLive or Atlas of Space - Solar System Simulators / Information
Space Object Comparison - Compare Sizes Of Celestial Objects
1 Pixel moon, LightYear or OMG SPACE - Solar System Scale Model
Astrogeology - Planetary Maps
AndroidPlanisphere - Android Star Chart
Aladin - Astronomical Image quar fViewer / Lite Version
Siril - Astronomical Image Processor
ESAsky - Public Astronomical Data
Stellarium-Web or Stellarium - Virtual Stellariums
WorldwideTelescope - Interactive Telescope Data / Home Page / GitHub
ESA Hubble, SpaceTelescopeLive or HubbleSite - Hubble Telescope Images
James Webb Space Telescope or ESAWebb - Webb Space Telescope Sites
Webb Compare - Webb / Hubble Images
APOD - Daily NASA Astronomy Images
ESO Images, NASA2Explore or Astrobin - Astronomy Images
r/SpacePorn or r/Astrophotography - Astrophotography Subreddits
Meteor Showers - 3D Meteor Shower Visualization
Live Meteors - Live Meteor Radio Echoes
Clear Dark Sky - Star Gazing Weather Forecasts
Dark Site Finder, DarkSkyMap or GoStarGazing - Star Gazing Site Locators

▷ Spacecraft

⭐ EarthData - Daily Satellite Replays
⭐ Visible Earth, SpaceFromSpace, GOES-16 Satellite Imagery or Sentinel Hub - Satellite Imagery
⁠NASASpaceFlight - Launch Livestreams / News / Forum
⁠Next Spaceflight / Discord, nextrocket.space or RocketLaunch - Rocket Launch / Space Flight Trackers
NSSDCA - NASA Space Science Mission Data
Sen - ISS Live Feed + Video Archive / YouTube / X
ISS Sim - ISS Docking Simulator
Transit Finder, ISS Tracker, Spot The Station or Where The ISS At? - ISS Transit Tracking
Satellite Map, SGP4 / GitHub, KeepTrackSpace, Find Starlink or Look4Sat - Satellite Orbit Maps / Trackers
Leolabs Space - Low Earth Orbit Simulator
Orbiter - Spaceflight Simulator / GitHub
Andegraf Rockets - Rocket Diagrams

► Language Learning

▷ Multi-Language

🌐 Language Links, /int/ Guide or r/LanguageLearning Resources - Language Learning Resources
🌐 Speechling - Language Learning Tools
🌐 LexiLogos - Multi-Language Dictionary Index
↪️ Translation Tools
⭐ Language Transfer - Language Learning Lectures
⭐ Language Reactor, LLPlayer, Trancy or Easysubs - Learn Languages via Videos
⭐ Readlang - Learn a Language via Web Browsing
Duolingo / Tips, LingoDeer or Busuu - Language Learning Lessons
Language Learners - Language Learning Forum / Community
WordReference, Glosbe or Reverso - Translation Dictionary
Yomitan - Popup Dictionary / Discord
ReverseDictionary or OneLook Reverse - Search for Words Using Their Meanings
Comprehensible Input Wiki - Learn Languages via Comprehensible Input
Languagelearning.site - Language Learning Torrents
Refold - Language Learning Roadmap
Language Drops / Premium or OkyDoky - Language Learning App with Thematic Vocab
Yojik or Pimsleur - Language Learning Courses
DLIFLC - Language Learning Quizzes
Ba Ba Dum - Language Learning Game
LanguageGuide - Visual Language Learning
clozemaster - Context-Based Language Learning
Sounter, LingoClip or LyricFluent - Learn Languages via Music
MORT or Textractor - Learn Languages via Games
Language Roadmap - Foreign Language Media Difficulty Guide
LearnWithOliver - Language Learning Flashcards
MyLanguages, VocabTest, My Little Word Land or 50Languages - Grammar / Vocabulary Language Learning
Vocatra or QuizFlow - Vocabulary Trainers
Verbix - Verb Conjugator
ListLang - Most Used Words in Any Language
Alphabetpedia - Multiple Language Alphabets
Omniglot - Writing System & Language Encyclopedia
LingYourLanguage or Language Squad - Language Identification Test
IPA Reader - International Phonetic Alphabet Reader
Interactive IPA Chart - Learn Phonetic Alphabet Symbols
LocalLingual or DialectArchive - Listen to Accents
Plover - Stenography Engine / Discord / GitHub
TeachMeHebrew - Learn Hebrew
wehewehe - Hawaiian Dictionary
Tōku Reo - Māori Language Learning Show / Language History
Itchy Feet Comic - Asian Script Differentiation Guide

▷ Language Exchange

🌐 The Language Exchange Network, 2 - Language Exchange Communities / Discord
InterPals
Episoden
Tandem
Conversation Exchange
RhinoSpike
HiNative
LangX / GitHub
Polyglot
ISODN Linguistics - ISODN Linguistics Discord Community

▷ English

🌐 Many Things - ESL Resources
🌐 ESOL - English Learning Resources
youglish or YouDict - YouTube Word Pronunciations
Forvo or HowJSay - Pronunciation Dictionary
The Internet TESL Journal - Resources for EFL and ESL Teachers
EFSET - English Proficiency Test
Spellcheck - English Spelling Game
Learn English Online, ESLFast, AntiMoon, Oxford Online or Cambridge Online - English Lessons
EnglishCentral, EngVid or Voscreen - English Video Lessons
Frenglish or English E-Reader - English Learning Books
elllo or Listening Lab - English Listening Lessons / Practice
TalkEnglish or Stimuler IELTS Speaking Buddy - Improve Spoken English
WriteAndImprove - Improve English Writing
Elsaspeak - Practice English Conversations
yell0wsuit or OxfordLearnersDictionaries - Word Learning Site
Podcasts in English - English Learning Podcasts
Langeek or Ozdic - Grammar / Vocabulary Language Learning
EnglishAccentMap - English Accent Videos / Map
EnglishBanana - English Learning Worksheets
Free4Talk - English Learning Communities

▷ Japanese

🌐 yame dame, Tatsumoto, GaijinRyman, Nihongo, Japanese Resources or AnimeCards - Learning Resources
🌐 Japanese Pitch Accent Resources - Japanese Accent Resources
↪️ Japanese Learning Sites / YouTube Channels
↪️ Dictionaries / Translation
↪️ Kanji Learning Resources
JapaneseWithAnime or Immersion Kit - Learn Japanese via Anime / Manga
Nihongo con Teppei - Japanese Beginners Podcast
JapaneseTab - Japanese Learning Extension
Minato - Japanese Courses
Memento - Japanese Learning Video Player
Supernative or LearnNatively - Learn Japanese via Media
jidoujisho or Manabi - Learn Japanese via Books
Learn Japanese Grammar or BunPro - Learn Japanese Grammar
OJAD - Japanese Accent Dictionary
DelvinLanguage - Fill in Missing Japanese Words
Jlpt N3 or JapaneseTest4You - Jlpt Exam Questions / Grammar
GetKanda, Nihonoari or RealKana - Learn Kana

▷ Korean

⭐ Learn Korean - Korean Learning Discord
Read Korean Letters - Learn Korean Characters
KR Dict - Korean Learning Dictionary
HowToStudyKorean - Korean Lessons / Practice
iksi - Korean Classes
TalkToMeInKorean - Korean Learning Courses
Sogang or 90 Day Korean - Korean Learning Lessons
Mirinae - Korean Word Breakdown
National Institute of Korean Language - Korean Dictionaries / Expression Practice
⁠LetsLearnHangul - Hangul Learning
Hangul Practice - Hangul Recognition Test
UltimateKorean - Korean Grammar / Vocab Lessons
KoreanKeyboardLearner - Korean Typing Practice
Korean Trainer - Korean Numbers & Date Practice
Hangul - Korean Typing Practice

▷ Chinese

🌐 YellowBridge or DigMandarin - Chinese Learning Tools
🌐 Cantonese sheik or SinoSplice - Chinese Learning Resources
⭐ r/ChineseLanguage - Chinese Learning Community / Discord
⭐ Zhongwen - Learn via Classic Chinese Literature
Train Chinese, ChineseSkill or HelloChinese - Chinese Learning App
KongLongMandarin, DU Chinese or Dong Chinese - Chinese Lessons
ArchChinese or Hanzi Grids - Chinese Writing Lessons
Stroke Order - Learn Chinese Stroke Orders
HackingChinese - Chinese Learning Articles
Cantonese.ca, CantoScrolls or Laoshi - Chinese Vocabulary
MDBG - Chinese Dictionaries
Maorma - Chinese Tone Practice
The Chairman's Bao - Chinese Reading Practice / News Articles
Pleco - Chinese Flashcards / Dictionary
Chinese Flashcards - Chinese Flashcards
MandoBot - Mandarin Translation / Segementation

▷ European

⭐ StudySpanish or LibreLingo - Learn Spanish
SpanishDict - Spanish Translation Dictionary
SpanishChecker - Spanish Grammar Check
FluentWithStories - Learn Spanish via Stories
DreamingSpanish - Spanish Learning Videos
The French Tutorial - French Learning Tutorials
⁠TV5MONDE - French Learning Videos
LCSpeakFrench - Live French Lessons
Uusi Kielemme - Finnish Learning

▷ German

🌐 German Resources - German Language Resources
⭐ German Discord - German Learning Community
⭐ DW German Course - German Learning Course
⭐ VHS Lernportal - German Learning Course / Mobile
Seedlang - German Learning App
Linguee / 2 or Dict.cc - German Translation Dictionaries
VerbForm - Create German Verb Anki Flashcards

▷ South Asian

🌐 Urdu Resources or UrduNotes - Urdu Learning Resources
🌐 Mga Nagmamarunong's Masterlist - Tagalog Learning Resources
🌐 Learn Sanskrit or Sanskrit Studio - Sanskrit Lessons and Tools
South Asian Languages - South Asian Language Learning
Urdupod101 - Urdu Grammar Overview / Video
Rekhta Dictionary - Urdu Dictionary
UBC Sanskrit Learning Tools - UBC Sanskrit Lessons
Sanskrit Subreddit / Resources - Sanskrit Resources / Discussion
Ambuda - Sanskrit Dictionaries / Texts

▷ Sign Languages

⭐ SpreadTheSign - Multi-Language Dictionary
ASL Dictionary, LifePrint, ASLCore or HandSpeak - American Sign Language Dictionaries
Text to Sign - Convert Text to Fingerspelling in ASL or BSL
Rochester ASL / LSF - ASL / LSF / Click Dictionary
BSL Dictionary, BSL Signbank, MobileSign or Signd - British Sign Language Dictionaries
Signbank - Australian Sign Language Dictionary
NZSL - New Zealand Sign Language Dictionary
SSC - BSL Academic Term Dictionary
BKS - British Key Word Signs
International Sign - International Sign Language
Interpreter Services - Specialized ASL Dictionary
SignSchool - ASL Learning / Dictionary
⁠SooSL - Create Custom Sign Language Dictionaries
ASL Learning - ASL Learning Site
Learn NZSL - NZSL Learning Site
SignLearner - Learn ASL or BSL while Browsing Internet / Chromium
Signs - ASL Learning AI
Learn BSL in SignWriting

► Game Learning

▷ Rubiks Cube

🌐 Cubing.net - Cubing Tools
↪️ Cube Simulators / Solvers
⭐ J Perm, CubeSkills, RubiksTrainer or Easiest Solve - Cubing Tutorials / Practice Resources
⭐ CubeDesk or csTimer - Feature-Rich Cubing Timers
⭐ SpeedCubeDB - Algorithm Database
SpeedSolving / Wiki or Ruwix - Cubing Wiki / Community Forum
World Cube Association - Cubing Competitions & Records
Cubing Time Standard - Track Your Performance Across WCA Events
alg.cubing.net, CubeDB, or Tao Yu Trainer - Algorithm Animators / Visualizers
F2L Trainer or ZBLL Trainer - Algorithm-Specific Trainers
Hypercubing - Hypercubing Wiki
Speedcube.app - Cubing Timer (Mobile-Friendly)
SolveTheCube - Cubing Timer
qqTimer - Cubing Timer

▷ Chess

🌐 Awesome Chess, ⁠TheChessDirectory or Chess Resources - Chess Resources
🌐 /m/Chess or r/Chess - Chess Subreddits
🌐 r/Chess Books - Recommended Chess Books
⭐ Scid vs. PC - Learn / Practice Chess
ChessGames - Chess Database / Community
ChessLab - Chess Lessons / Discord
List Study - Chess Lessons
Chessable - Chess Lessons
TheChessWebsite - Learn / Practice Chess
HerculesChess - Learn / Practice Chess
Chess Tempo - Chess Practice
Lucas Chess - Chess Practice
Chess Coach - Chess Coaching App
WintrChess, 2 - Chess Game / Move Analysis
Decode Chess - Chess Game / Move Analysis
YottaChess - Chess Game / Move Analysis
⁠Chessigma - Chess Game / Move Analysis / Discord
En Croissant - Chess Game / Move Analysis
Chess Vision - Chess Game / Move Analysis
OpeningTree - Download / Visualize Chess Games
Chess Monitor - Track Chess Analytics
2700chess - Live Chess Player Ratings
365Chess - Chess History / Lessons
ChessVariants - 1000+ Chess Variants + Guides

▷ Dungeons & Dragons

↪️ D&D Building Tools - Map Editors, Campaign Managers, Worldbuilding, etc.
⭐ D&D Compendium or RPGBOT - D&D Tools & Learning Resources
⭐ 5etools or The Acaeum - 5E Rules & Content References
⭐ D&D Beyond - Official Toolset for 5E
⭐ Kobold+ Fight Club - Encounter Builder & Balancer
Avrae - D&D Automation Discord Bot
DnD-Books or D&D 5e BR / Use Translator - D&D 4E/5E Books
Cruinne's D&D Reading Room - D&D Worldbuilding Checklist
Tetra-cube - Monster Statblock Generator
GM Binder - 5E Homebrew Document Editors
D&D Wiki - D&D Homebrew Wiki

► Developer Learning

🌐 Awesome Certificates - Dev Course Indexes
🌐 Awesome YouTubers - YouTube Dev Channels Indexes
🌐 ProgrammingLearningResources, r/LearnProgramming Wiki, Programming Learning Index or A-to-Z-Resources-for-Students - Programming Learning Resources
🌐 Python Discord - Python Learning Resources
🌐 Path to Senior Engineer or Professional Programming - Software Engineer Resources
↪️ Programming Books - Read / Download Programming Books
⭐ freeCodeCamp - Programming / Courses / Interactive
⭐ git-cheat-sheet, Git Commands or Git Cheatsheet - Git Command Lists
⭐ OpenVim or Vim Hero - Interactive Vim Tutorials
⭐ StarSQL, ⁠SQL Practice or Learn SQL - SQL Lessons / Practice
First Timers Only - Contribution Guide for Beginners
Beej's Guide to Git or Git Tips - Git Guides / Tips
Oh My Git! or Oh Shit, Git!?! - Git Learning Game
Git Tutorial - Interactive Git Tutorial
Learn Git Branching - Interactive Git Branching Guide
Git Time - Git Learning Game
DevToolTips - Developer Tips
Roadmap - Developer Roadmaps / GitHub
Checki0 - Code Learning Games
Scrimba - Interactive Programming Courses
CloudSkillsBoost - Programming Courses
⁠MOOC.fi - Programming Courses
EggHead - Programming Courses
TechSchool - Programming Courses / Discord
⁠Josh Comeau - Programming Tutorials
Scratch / Javascript Converter, 2 or ⁠MIT App Inventor - Beginner Programming Learning
USACO Guide - Competitive Programming Lessons
Beej's Guides or LearnByExample - Programming Guides
CodinGame - Games to Practice Coding / Programming
Advent of Code - Programming Puzzles
Project Based Learning - Collection of Project-Based Tutorials
Interview University - Software Engineer Study Guides
System Design 101 or system-design-primer - System Design Guides
CLIG - CLI Design Guide / Discord
LearnToCloud - Cloud Computing Guide
Swift Playgrounds - Learn Swift UI / Samples
rTorr - Vim Editor Cheat Sheets
Vim University - Vim Tips
VimTip - Vim Editor Tips
Vim Adventures - Vim Learning Game
High Assurance Rust - Software Development Guide
LearningSEO.io or SEO Cheat Sheet - SEO Learning
SQL PD, SQL Noir, Lost at SQL or SQL Easy - SQL Learning Games
PostgreSQL Tutorial - PostgreSQL Tutorial
MySQL Tutorial - MySQL Tutorial
LearnOpenGL - Learn OpenGL
Devops Exercises - DevOps Exercises
90DaysOfDevOps - Learn DevOps
Hasura - GraphQL Courses
systemd-by-example - systemd Learning
The Linux Kernel - Linux Kernel Development Guides / Archives
Workbench - Learn / Experiment with Gnome / GitHub
⁠aman.ai - Artificial Intelligence / Deep Learning Stanford Notes
LLM Visualization, Machine Learning Roadmap, SAAYN, machine-learning-zoomcamp, ML Engineering, udlbook / GitHub, ML Visualized / GitHub or LLM Course - Learn Machine Learning
⁠Transformer Explainer - ⁠Transformer Visuzliation
Approaching (Almost) Any Machine Learning Problem - Machine Learning Problem-Solving Book
Deep ML - Solve Machine Learning Problems
AI-For-Beginners, Beginner Guides or HF Learn - Machine Learning Guides
ML Course Notes - Machine Learning Course Notes
100-Days-Of-ML-Code, DeepLearningWizard, DeepCourse, UFLDL, IAILab, Handson ML3, DeepLearning.ai or Practical Deep Learning - Machine / Deep Learning Courses
minitorch - Machine Learning Engineering Course Code
ML YouTube Courses or Deep Learning Drizzle - Machine Learning Courses on YouTube

► Coding Tutorials

🌐 Project Based Learning - Project Based Learning Resources
⭐ Build your own X - Advanced Coding Tutorials / Discord / GitHub
Programiz, TutorialKart, Hackr.io, Ultimate Programming, GeeksforGeeks or Tpoint Tech / Telegram - General Coding Tutorials
Guru99 - Software / Web Development
Codelabs - Project Based Tutorials
The SHA-256 Project - Learn to Develop SHA-256
calmcode - Video Tutorials
zetcode - Programming Notes / Ebooks
Ebook Foundation - Programming Ebooks

▷ Programming Languages

⭐ 30 Days Of Python - Python Programming Challenge
Hitchhiker's Guide to Python - Python Guide / GitHub
Typing.io or Silver Dev's WPM - Programming Typing Practice / Sign-Up
A Byte of Python - Python Guide
Learn Python - Interactive Python Guide
FutureCoder - Interactive Python Guide
⁠Genepy - Interactive Python Guide
Learn-Python - Python Playground / Cheatsheet
CS50 - Python Course
Tea Press - Python Learning Book
Learn C - C Tutorials
C++ Core Guidelines / GitHub or modern-cpp-tricks - C++ Tips
Learn C++ or StudyPlan - C++ Lessons / Tutorials
Makefile Tutorial - Makefile Tutorial
AmigosCode, Java Design Patterns or learncs.online - Java / Kotlin Guides
Learn Next.js - Next.js Learning Resources
LearnGo, Tour Go or play-with-go - Learn Go Programming
Rust Learning - Rust Learning Resources
Poignant or Try Ruby - Learn Ruby
Learn Perl - Learn Perl

▷ Web Development

🌐 MDN or Web Dev Resources - Web Dev Learning Resources
⭐ Odin Project, 2 - Programming / Courses / Interactive / Discord
⭐ FullStackOpen - Full Stack Course
⭐ LandChad, 32bit or learn.sadgrl.online - Site Development Guides
⭐ Learn to Code HTML & CSS - HTML/CSS Course
⭐ PHP: The Right Way, Learn PHP or PHP Tutorial - Learn PHP
⭐ JavaScript.info, Patterns.dev or 30 Days Of JavaScript - JavaScript Learning Sites
Web Dev for Beginners - Web Dev Course
Awesome Network Analysis - Network Analysis Learning
Aquent Gymnasium or CodeAnalogies - Web Dev Tutorials
Dash - Web Dev Courses
Web Skills, Codeguage / Discord, web.dev or Encodedna - Web Dev Guides
Codevolution - Web Dev Video Lessons
⁠The Copenhagen Book - Web App Auth Guidelines
DOM Events - Learn about DOM Events
WebRTCForTheCurious - WebRTC Guide / GitHub
backendlore or Design Pattern for Humans - Backend Coding Guides
backend-challenges - Backend Challenges for Practice
Backend Cheats - Backend Cheatsheet / Guide
Full Stack Solana Development Guide - Examples
STPG - Startpage Creation Guides / Discord
Web Design in 4 Minutes or Strml - Interactive Web Design Tutorial
WebGL and GLSL Workshop - Interactive WebGL / GLSL Tutorial
HEAD - HTML head Element Guide
css-animation - CSS Animation Tutorial
100DayCSS, CSS Challenges or PlayCSS - CSS Challenges
Codepip, Grid Garden, CSS Battle, CSS Speedrun, CodingFantasy or CSS Diner - CSS Learning Games
Guess CSS - CSS Guessing Game
Flexbox Froggy, Flexbox Zombies, FlexboxDefense or KnightsoftheFlexboxTable - CSS Flexbox Learning Games
DefensiveCSS - CSS Tips
LearnCSSGrid or GridByExample - CSS Grid Guides
ReactStudyKit - React Study Tools / Flashcards
You Don't Know JS or EloquentJavaScript - JavaScript Learning Books
JavaScript Questions or JavaScriptQuiz - JavaScript Questions for Practice
33 JS Concepts - Useful JavaScript Concepts
You-Dont-Need-jQuery - JavaScript Query Style Events Guide
Untrusted - JavaScript Learning Game
HTMLDog - HTML/CSS and JavaScript Tutorials
Pixactly - Test Pixel Dimension Orientation

▷ Computer Science

🌐 CompSciLib - Computer Science Tools
⭐ TeachYourselfComputerScience - Computer Science Book Recommendations
⭐ Open Source Society University / PT-BR / CN - Computer Science Roadmap / Discord
⭐ CS50 - Harvard Computer Science Course / Subreddit / Telegram / Discord / GitHub
⭐ NandGame - Computer Building Puzzle
⭐ CraftingInterpreters - Scripting Language Implementation Book / GitHub
CS1000 - Computer Science / Software Engineering
Tech Dev Guide - Computer Science Google Courses
Big-O Cheatsheet - Computer Science Complexities Cheatsheet
CSDIY, awesome-low-level-design, awesome-system-design-resources or LearnAIFromScratch - Computer Science Learning Guides
ProfessorMesser - IT Courses
Code.org - Computer Science Courses
cs-video-courses - Computer Science Courses
Modern Computer Science Curriculum - Computer Science Courses
CollegeComendium - Computer Science Courses
Runestone Interactive - Interactive Guides
Computerphile or CSDojo - Computer Science YouTube Channels
ApressOpen - Computer Science Books
Papers We Love - Computer Science Research Papers
CS Academy - Interactive Computer Science Lessons
From Nand To Tetris - Computer Building Lesson
Copetti - In-depth Console Architecture Analysis / GitHub
Web Browser Engineering - Learn about Browser Engineering
OSDev Wiki - Operating System Dev Wiki
Wi is Fi - Wi-Fi Educational Guide
CPU Land - What Happens when you run Programs
Computer Science Lecture Links
Eylenburg - Hardware / Software Comparisons + History

▷ Data Science

🌐 Awesome DataScience - Data Science Resources
🌐 Data Engineer Handbook - Data Engineer Resources
↪️ Machine Learning Resources
⭐ Open Source Society University - Data Science Roadmap / Discord
Mage - Data Science Pipelines
Deepnote - Data Science Notebook
Visualization.info - Learn About Data Visualization
365Datascience - Data Science Courses
Advanced R - R Guide / Solutions
R Packages - R Packages Guide
R for Data Science - R Data Science Guide
Zero to Nix - Nix Learning Guide
ggplot2: Elegant Graphics for Data Analysis - ggplot2 Guide
Data Science Ipython Notebooks, Scipy Lectures or Virgilio / GitHub - Learn DataScience
Data Engineering Zoomcamp - Data Engineering Course
Data Engineering Practice Problems - Data Engineering Practice
Learn to Make Netflix Clone
Zasper - Data Science IDE

▷ Data Structures

⭐ Leetcode - Coding Practice
⭐ Leetcode Tools - Solutions, 2, 3 / Company Questions, 2, 3 / Animations / Anki Cards / Videos / Resources / Analytics
NeetCode - Coding Interview Practice
algonds - Coding Practice
Codility - Coding Practice
ProjectLearn - Coding Practice
LintCode or CodeWars - Coding Practice
CyberType - Increase Coding Speed
Coding Questions or Skilled.dev - Coding Interview Questions
BuildBox, DevPost, HackTheEarth, EMKC, AtCoder or Toph.co - Hackathon / Challenge Communities
Rosetta Code, CodeAbbey, Kattis or Coding Problems - Coding Problems / Solutions
Exercism, HackerRank or CS Circles - Programming Lessons
Hello Algo - Data Structures and Algorithms Course
Algorithms-Cheatsheet-Resources - Code Algorithm Cheat Sheets
algorithms - Code Algorithms & Data Structures Tutorials
JavaScript Algorithms - Algorithms and Data Structures in JavaScript
VisuAlgo - Data Structures & Algorithm Animations
Algorithm Visualizer, ⁠Staying or Sorting Algorithms Visuallizer / GitHub - Visualize Code Algorithms
CSES Problemset - Collection of Algorithmic Programming Problems
Memery Spy - Learn how Bytes Represent Variables

▷ UI / UX

design.tips or Utopia - Design Tips
HackDesign or Sky Design - UI / Webdesign Courses
Learn UI Design - UI Design Course
50 UI Tips - UI / UX Design Book
Can't Unsee - UI Design Test
UXTools or UXMovement - Learn UX Design
SitePoint - UX Design Courses & Books
delightful humane design - Humane Design Resources
Laws of UX - Maxims / Principles for UI Designers
Deceptive Patterns - Deceptive User Experience Examples
UI Coach - UI Design Challenge Generator
HTML Dog or Front Tips - Frontend Tutorials & Examples
FrontEndMentor or Frontend Challenges - Frontend Design Challenges
Frontend Learning Kit - Frontend Learning Index
Frontend Bootcamp - Frontend Workshop

▷ Cybersecurity

🌐 Free Cyber Resources, BlueTeam Tools or Applied Cybersecurity - Cybersecurity Learning Resources
🌐 CTF Sites, echoCTF.RED, CTF101, picoCTF, CTF Beginners Guide, CTFtime or CTFLearn - CTF Resources / Guides
🌐 Awesome Sites to Test On - Cybersecurity Practice Sites
⭐ HackTricks - Practical Penetration Testing & Security Auditing Tips
⭐ PortSwigger Academy - Web Security Learning
⭐ OWASP Cheatsheet - Application Security Guide
Hackers101, SmashTheStack or WebHacking - Cybersecurity Challenges
Skills for All or 90DaysOfCyberSecurity - Cybersecurity Courses
Sectube - IT Security Event Recordings
TryHackMe, Hack The Box or OpenSecurityTraining2 - Cybersecurity Lessons
Addielamarr, Cyber Talent Kids or Teach Yourself Info Sec - Learn About Cybersecurity
pwn.college - Cybersecurity Practice
OverTheWire - Cybersecurity Learning Game
Hacksplaining - Developer Security Lessons
MicroCorruption - Learn Reverse Engineering / Cybersecurity
x86re or Reverse-Engineering - Reverse Engineering Guides
CrackMyApp or crackmes / Discord - Reverse Engineering Challenges
John Hammond - Cybersecurity YouTube Tutorials
Pentesting Bible or Juice Shop - Learn Pentesting
How DNS Works - Learn DNS
How DNSSEC Works - Learn DNSSEC
CryptoPals or cryptohack - Cryptography Learning
⁠CrypTool - Interactive Cryptology Learning / Puzzles
How HTTPS Works - Learn HTTPS

▷ Game Development

🌐 Awesome-Gamedev, Learn Gamedev, MagicTools, Newgrounds Wiki: Game Dev Resources or The VG Resource - Learning Resources
↪️ Game Dev Tools
⭐ Brackeys - Game Dev Tutorials
⭐ r/gamedev - Reddit Community
⁠20 Games Challenge - Beginner Game Dev Challenges
Amit’s Game Programming - Game Programming Guide
GameProgramBooks - Game Programming Books
PICO-8 - Basic Game Dev Concepts / Web Version
From Zero To Hero - 2D Game Dev Book
Web Game Dev - Game Dev Guides / Discord
SebastianLague - Game Dev Tutorials
Level Design Book - Level Design Guide / Book
Trig for Games - Trigonometry Lessons for Games
Shadertoy - Real-Time Shader Dev Platform
Game Math - Mathematics Lessons for Game Devs
Graphics Workshop - Learn Computer Graphics
The Book of Shaders - Fragment Shaders Guide
QB64SourceCode - QB64 Game Programming Tutorials
8bitWorkshop - Retro Game Programming Tutorials

► Exam Prep

🌐 IBResources - International Baccalaureate Resources
FreeOnlineTest, ⁠CrackAP, Examveda, SaveMyExams, Aglasem, MajorTests or Alloprof - Exam Practice Tests
IndiaBIX - Aptitude Tests
Science Career General - PhD / STEM Career Study Guides
DoubtNut - Exam / Solutions / Help / Ad-Bypass
Papers.Xtreme - Test Revision Notes & Answers
AllFreeDumps - Exam Dumps
IELTS69 - Cambridge Practice Tests
CaieFinder - Previous Cambridge Test Answers
ITExams - IT Exam Collection
Pearson's AP Universe - AP Exam Guides / Community / Discord
CrackAP - Practice AP Exams
r/APStudents Course Survey - AP Exam Comparison Spreadsheet
r/CATpreparation - CAT Test Prep / Discord
Revisely - GCSE Exam Help
CatchaScience, IGCSEResources, r/IGCSE or ZNotes - IGCSE Study Notes / Resources
IGCSE Papers, RevisionScience or Physics & Maths Tutor - Download Past GCSE / IGCSE Papers
anthropology - UPSC Telegram Channel
GaryChamberlainLectureNotes - Econometrics Lecture Notes
HamExam, AA9PW or HamStudy - Ham Radio Practice Exams

▷ SAT Testing

🌐 Digital SAT Resources - SAT Resources
⭐ OnePrep - SAT Practice Exams / Questions
SAT Slayer, 2 - SAT Practice Exams / Questions
⁠Mcelroy Tutoring - SAT Practice Exams / Questions
DSATuz - SAT Practice Exams / Questions / Telegram
The SAT: Practice Tests - SAT Practice Exams / Questions
SATArchive - Previous SAT Test Archive
SAT Reading - Suggested SAT Reading
SAT_Files_discussion - SAT Exam Discussion

▷ JEE / NEET

🌐 r/JEENEETards Index - Guides / Study Material
⭐ PirateHive - Guides / Study Material
⭐ ExamSide - PYQ Solutions
JEE Hub - JEE / NEET PYQs
JEE Books or JEE Archive - JEE Books Archives
Genetry or Lec.Branch - JEE Lectures
YouTube Lengths, Fastlane Lengths or Normal Lane Lengths - Lecture Lengths / Data
MarksAPP - Guides / Study Material / Telegram
DoubtNut - Solutions / Help / Ad-Bypass

► Educational Tools

🌐 nanoHUB - Nanotechnology Tools
🌐 5th STAAR Resource Curation - Grade School Tools
↪️ Presentation Tools
↪️ Data Visualization
↪️ Grammar / Spell Check
⭐ Excalidraw / Sharing, OpenBoard, DGM, NotebookCast, WebWhiteboard, Microsoft Whiteboard, WBO, OurBoard, Whiteboard.fi or Whiteboard Fox - Whiteboards
FreeForStudent - Free for Student Deals
Better Canvas - Canvas Enhancement Extension
Tasks for Canvas - Improved Canvas To-Do List
ImageJ / Web or Fiji - Scientific Image Analyzers
Altium - Schematics Visualizer
Wolfram Cloud - Computational Intelligence
GradesFixer - Essay Samples
Edu VPN - Institute Access VPN
BachelorStudies - Bachelor Degree Search
⁠Scholarship Roar - Scholarship Database
⁠Extracurriculars.org / Discord, snow.day or Talem - Extracurricular Search
Niche, TheUniGuide, Alumnius or Top Universities - University / School Comparisons
RateMyDorm or :) - College Dorm Reviews
RateMyProfessor - Professor Ratings
Wordwall - Lesson Creator
The Chomsky Index - Noam Chomsky Content Index Tool
Internet-In-A-Box - Create Free Offline Learning Hotspots / GitHub
SlideShareDownloader, DownloaderSlides, SlidesDownloaders or SlideShareSaver - Download Slideshare Slides

▷ Study / Research

🌐 Awesome Research, Scolary, KausalFlow, Foam, Zotero, ResearchRabbit or Scrible - Research Tools
↪️ Note-Taking Tools
↪️ Documents / Articles
⭐ Wolfram Alpha or Wolfram Mobile - Searchable Knowledge Base
⭐ StudyLion - Study Tracker / Productivity Discord Bot / GitHub
⭐ StudyKit, StuDoc / Downloader, Gizmo, Knowt, Quizlet / Show Hidden, Shmoop, Bitesize or SparkNotes - Quizzes / Study Material
⭐ Anki / Subreddit / Discord / GitHub, StudyLib, RemNote, Flippity, Flashcard Machine, MemoAnki, revisiondojo, Flashka or NoteKnight - Flashcard Tools
⭐ Anki Tools - Add-ons / Decks / Resources, 2
⭐ Coursicle - Class Schedule Tracker / Android, iOS
⭐ OpenSyllabus - Syllabus Search / Info
⭐ Refseek, Explorer or Merlot - Academic Search Engines
SciSpace (No Sign-Up), ⁠Bohrium, Scinito or Elicit / GitHub - Research Chatbots
Co-STORM or SciArena - Generate Scientific Articles
mybib, citemaker, formatically, zbib, CitationMachine, ⁠BibGuru, Scribbr, CiteFast or Cite This For Me - Citation Generators / Chrome
Publish or Perish - Citation Analyzer
Inciteful - Find Connected Literature via Citations
PLText, PlagiarismDetector or Duplichecker - Plagiarism Checkers
cb2bib - Reference Extractors / Managers
MassiveMark - Convert LLM Chats to DOCX / Discord
GROBID - Extract / Organize Scientific Document Info
ExpertFile or ExpertiseFinder - Industry / Academic Expert Search
Catma - Research Markup & Analysis Tool
OpenRefine - Data Cleaning
Taguette - Data Analysis Document Tagging
Lurnby - Research Highlighting Tool / GitHub
General Index - Article Metadata Mining Project
Papertag - Attach Digital Content to Paper
Graded - Grades Tracker / Android, iOS / GitHub
GradesCalculator - Calculate CGPA & GPA
CalculateCGPA - Calculate GPA
LearnedEasy - Create Summaries / Quizzes from Books
SearchifyX - Search Flashcards
ForgetMeNot - Flashcard Mobile App
Brainly - Homework Help Bots / Communities / Limit Bypass
⁠Free Numerade Videos - Homework Help Videos
MammothMemory - Visual Memory-Based Solutions
StudyStream, ⁠Yeolpumta or StudyTogether - Online Study Groups
Space Finder - UK Study Space Search
Cheatography - Educational Cheat Sheets
LitSolutions - Textbook Solutions

▷ Calculators

⭐ Wolfram|Alpha - Calculators
⭐ Omni Calculator - Calculators
⭐ OpenCalc, yetCalc or microMathematics - Android Calculators
⭐ GeoGebra or Desmos - Graphing Calculators
CEmu, TI-84 Online or ti84calc - TI-84 Calculators
SpeedCrunch - Advanced Calculator
numbr.dev - Calculators
Aqua Calc - Calculators
PlanetCalc - Calculators
MatrixCalc - Matrix Calculator
Qalculate - Desktop Calculator
QwikTape - Note Style Calculator
Kalker or Numbat - Scientific Calculators
TICalc - TI Graphing Calculator Files
arTIfiCE - TI CE Calculator Jailbreak
Cymath, PhotoMath, Mathway, MathDF, Tiger Algebra, ⁠Maxima or Symbolab - Math / Algebra Problem Solvers

▷ Dictionaries / Thesaurus

⭐ OneLook - Multi Dictionary / Thesaurus Search
⭐ Merriam-Webster - Dictionary / Thesaurus
⭐ GoldenDict / 2 - Dictionary / Files
⭐ NGrams or Netspeak - Word Usage Trackers
⭐ The Piracy Glossary - Piracy Dictionary
⭐ UrbanDictionary / Frontends or Slangit - Slang Word / Phrase Dictionaries
Wordnik - Dictionary
Oxford English Dictionary - Dictionary / Bypass
Cambridge Dictionary - Dictionary
Wiktionary - Dictionary
PowerThesaurus - Thesaurus
Historical Thesaurus of English - Historical Thesaurus
Phrases.org - Phrase Dictionary
Time Traveler - Find Words First Printed Usage
EtymOnline - Etymologies
StarlingDB - Advanced Linguistics Dictionary
Phrontistery - Obscure Word Dictionary
Unionpedia, Lexipedia or VisuWords - Word Connections / Visualizers
Eunoia - Words with No Translation
Affixes.org - Affixes
Fraze.it - Sentence Search
Feeels - Emotion Synonym Chart
PrideFlags - LGBT Flag Index
TheDevilsDictionary - Cynical Dictionary
WordSafety - Swear Word Indexes
PyGlossary - Convert Dictionary Files

▷ Encyclopedias

🌐 List of Encyclopedias - Online Encyclopedia Index
⭐ Wikipedia - Encyclopedia / Content List
⭐ EncycloSearch or EncycloReader - Encyclopedia Search Engines
⭐ Wolfram Alpha - Searchable Knowledgebase
Omniglot - Writing Systems & Languages Encyclopedia
Simple Wiki - Simplified Wikipedia / Auto-Redirect
Britannica
EverybodyWiki
Encyclopedia
NewWorldEncyclopedia
Citizendium
Wikitia
InfoPlease
Refdesk
HandWiki

▷ Wikipedia Tools

🌐 Wiki Portals - Wiki Portals Navigation
HatNote - Top Pages
Reversepedia - Page Connections
wik - Wiki TUI
CDPedia - Offline View
WikiExtractor - Extract Text
Substance - Extract Markdown
UrlShortener - Shorten URLs
WikiNearby - Location Search
EntiTree - WikiData Visualization Tool / GitHub
Wiki Timeline - Create Timelines from Wiki Articles