diff --git a/DEVTools.md b/DEVTools.md
index 8cbcc2463..fdfdb4b3d 100644
--- a/DEVTools.md
+++ b/DEVTools.md
@@ -153,6 +153,7 @@
 
 * **[Developer Tools](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/storage#wiki_developer_tools)** - *Dev Tool Sites*
 * **[List.community](https://list.community/)** - *Programming / Development GitHub Lists* 
+* [DevToys](https://github.com/ObuchiYuki/DevToysMac) - *Mac Dev Tools*
 * [Design Resources](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/storage#wiki_design_resources) - *Design Resource Sites*
 * [Image Tools](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/img-tools) - *Image & Graphic Design Tools*
 * [Contentdrips](https://contentdrips.com/) or [CreatorKit](https://creatorkit.com/) - *Brand Design Tools*
@@ -295,7 +296,7 @@
 * [Measure](https://web.dev/measure/) - *Site Functionality Testing*
 * [Testmail](https://testmail.app/) - *Site Signup Test*
 * [Responsivize](https://virejdasani.github.io/Responsivize/) - *Website Responsiveness Test*
-* [PageSpeed](https://developers.google.com/speed/pagespeed/insights/), [Testmysite](https://testmysite.io/) or [Websu](https://websu.io/) - *Test Webpage Speed*
+* [PageSpeed](https://developers.google.com/speed/pagespeed/insights/), [GTmetrix](https://gtmetrix.com/), [Testmysite](https://testmysite.io/) or [Websu](https://websu.io/) - *Test Webpage Speed*
 * [Shisho](https://shisho.dev/) - *Infrastructure Code Security Patcher*
 * [Security Onion Solutions](https://securityonionsolutions.com/) - *Site Security Monitor*
 * [Teler](https://github.com/kitabisa/teler) - *HTTP Intrusion Detection*