Add more apps, including several Firefox dev tools

apps-and-examples.md

@@ -22,4 +22,22 @@
 
 - **Panther**  
   https://github.com/joshwcomeau/panther  
-  Panther is a full-stack React/Redux/Node web app that uses the Spotify API to make suggestions based on an initial user-specified artist.
+  Panther is a full-stack React/Redux/Node web app that uses the Spotify API to make suggestions based on an initial user-specified artist.
+
+- **Relax**  
+  https://github.com/relax/relax  
+  New generation CMS on top of React, Redux and GraphQL.  It features a live page builder based on components and a smart and easy way of binding dynamic data to them.
+
+- **Storyboard**  
+  https://github.com/guigrpa/storyboard  
+  End-to-end, hierarchical, real-time, colorful logs and stories.  A library, plus a Chrome DevTools extension.
+
+- **Firefox DevTools - Memory Tool**
+  https://dxr.mozilla.org/mozilla-central/source/devtools/client/memory  
+
+- **Firefox DevTools - Debugger**  
+  https://dxr.mozilla.org/mozilla-central/source/devtools/client/debugger  
+
+- **Debugger.html**  
+  https://github.com/jlongster/debugger.html  
+  A prototype Firefox debugger written without any XUL and based on React and Redux.