diff --git a/🧠-Educational.md b/🧠-Educational.md
index ee0d23df..5e9589a0 100644
--- a/🧠-Educational.md
+++ b/🧠-Educational.md
@@ -934,6 +934,7 @@
 * ⭐ **[J Perm](https://jperm.net/)**, [CubeSkills](https://www.cubeskills.com/), [RubiksTrainer](https://rubikstrainer.com/) or [Easiest Solve](https://easiestsolve.com/) - Cubing Tutorials / Practice Resources
 * ⭐ **[CubeDesk](https://cubedesk.io/)** or **[csTimer](https://cstimer.net/)** - Feature-Rich Cubing Timers
 * ⭐ **[SpeedCubeDB](https://speedcubedb.com/)** - Algorithm Database
+* [Rubiks Cube Guide](https://rentry.co/cubingguide) - ⁠Guide to Rubiks Cube
 * [SpeedSolving](https://www.speedsolving.com/) / [Wiki](https://www.speedsolving.com/wiki) or [Ruwix](https://ruwix.com/) - Cubing Wiki / Community Forum
 * [World Cube Association](https://www.worldcubeassociation.org/) - Cubing Competitions & Records
 * [Cubing Time Standard](https://cubingtimestandard.com/) - Track Your Performance Across WCA Events
@@ -963,6 +964,7 @@
 * [Chess Coach](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/android#wiki_.25B7_modded_apks) - Chess Coaching App
 * [⁠Chess OCR](https://helpman.komtera.lt/chessocr/) - Multi-Site Digital Chessboard Analysis
 * [WintrChess](https://wintrchess.com/), [2](https://chess.wintrcat.uk/) - Chess Game / Move Analysis
+* [⁠Chess Analysis](https://chess-analysis.org/) - Chess Game / Move Analysis / [Discord](https://discord.gg/hvrEXhX8qA)
 * [Pawn Appétit](https://pawnappetit.com/) - Chess Game / Move Analysis / [GitHub](https://github.com/ChessKitchen/pawn-appetit)
 * [YottaChess](https://www.yottachess.com/) - Chess Game / Move Analysis
 * [⁠Chessigma](https://www.chessigma.com/) - Chess Game / Move Analysis / [Discord](https://discord.gg/dy9VXd5n3v)
@@ -1108,6 +1110,7 @@
 * ⭐ **[PHP: The Right Way](https://phptherightway.com/)**, [Learn PHP](https://odan.github.io/learn-php/) or [PHP Tutorial](https://www.phptutorial.net/) - Learn PHP
 * ⭐ **[JavaScript.info](https://javascript.info/)**, [Patterns.dev](https://www.patterns.dev/) or [30 Days Of JavaScript](https://github.com/Asabeneh/30-Days-Of-JavaScript) - JavaScript Learning Sites
 * [Web Dev for Beginners](https://microsoft.github.io/Web-Dev-For-Beginners/) - Web Dev Course
+* [⁠Packet.School](https://packet.school/) - Interactive Networking Learning
 * [Awesome Network Analysis](https://github.com/briatte/awesome-network-analysis) - Network Analysis Learning
 * [Aquent Gymnasium](https://thegymnasium.com/) or [CodeAnalogies](https://www.codeanalogies.com/) - Web Dev Tutorials
 * [Dash](https://dash.generalassemb.ly/) - Web Dev Courses
@@ -1435,7 +1438,7 @@
 * ⭐ **[Omni Calculator](https://www.omnicalculator.com/)** - Calculators
 * ⭐ **[OpenCalc](https://github.com/Darkempire78/OpenCalc)**, [yetCalc](https://github.com/Yet-Zio/yetCalc) or [microMathematics](https://github.com/mkulesh/microMathematics) - Android Calculators
 * ⭐ **[GeoGebra](https://www.geogebra.org/)** or [Desmos](https://www.desmos.com/) - Graphing Calculators
-* [CEmu](https://github.com/CE-Programming/CEmu) or [TI 84 Calculator](https://ti84calc.com/) / [2](https://ti84-online.com/) / [3](https://ti84calcultor.com/) - TI-84 Calculators
+* [CEmu](https://github.com/CE-Programming/CEmu) or [TI 84 Calculator](https://ti84calc.com/) / [2](https://ti84-online.com/) / [3](https://ti84calcultor.com/) / [4](https://ti84calculator.io/) - TI-84 Calculators
 * [numbr.dev](https://numbr.dev/) - Calculators
 * [Aqua Calc](https://www.aqua-calc.com/) - Calculators
 * [PlanetCalc](https://planetcalc.com/) - Calculators