Migrate https://wiki.eclipse.org/CDT:Addons to main repo

README.md

@@ -46,6 +46,17 @@ We encourage all vendors who are extending and redistributing Eclipse CDT to eng
 
 Please bear in mind that this project is almost entirely developed by volunteers. If you do not provide the implementation yourself (or pay someone to do it for you), the bug might never get fixed. If it is a serious bug, other people than you might care enough to provide a fix.
 
+## Add-ons for CDT
+
+There are many third-party addons for CDT to make it more productive.
+
+* [cmake4eclipse](https://github.com/15knots/cmake4eclipse#abstract): This Eclipse plug-in automatically generates build-scripts for the Eclipse CDT managed build system from CMake scripts.
+* [Sloeber](http://eclipse.baeyens.it/): Eclipse Plugins based on Arduino toolchains or a enhanced Arduino IDE.
+* [CUTE](https://cute-test.com/): C++ unit testing plug-in
+* [Bracketeer](https://marketplace.eclipse.org/content/bracketeer-cc-cdt): Auto-comments on closing brackets and highlight of matching/mismatching brackets
+* And many more in the [Eclipse Marketplace](https://marketplace.eclipse.org/), for example, try the [CDT tag](https://marketplace.eclipse.org/category/free-tagging/cdt)
+
+_Have a tool that you want listed here? Please open a [PR](https://github.com/eclipse-cdt/cdt/pulls)_
 ## Code of Conduct
 
 This project follows the [Eclipse Community Code of Conduct](https://www.eclipse.org/org/documents/Community_Code_of_Conduct.php).