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Contributions/README.md

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+# 3rd Party Contributions
+
+These source code contributions enhance the functionality of the olcPixelGameEngine header file. They are not supported by OneLoneCoder.com or javidx9 so use them at your own risk! Though this is a nice community and to get listed here you have to be trusted...
+
+## PixelGameEngine Extensions (PGEX)
+* Widens support for audio files into olcPGEX_Sound.h
+  * https://github.com/gorbit99/olcPGEX_AudioConvert
+
+## Build Systems
+* CMake script 
+  * https://github.com/plane000/olcPixelGameEngine/blob/master/CMakeLists.txt 
+
+## Utilities
+* Additional fonts and font handling tools 
+  * https://github.com/gorbit99/OLC-Font
+* Concert olcConsoleGameEngine ".spr" files into olc::Sprite types 
+  * https://github.com/gorbit99/SprConverter
+
+## Cool Projects
+Have you made something using olcPixelGameEngine? Contact me to get a link to it here!