diff --git a/readme.md b/readme.md
index 46604ac..ba90d69 100644
--- a/readme.md
+++ b/readme.md
@@ -127,6 +127,7 @@ Creative coding is a different discipline than programming systems. The goal is
 - [thi.ng](http://thi.ng/)
 [Cross-platform] - Open source collection of computational design tools for the Clojure and ClojureScript languages
 - [PixelKit](http://pixelkit.net/) [iOS, Mac] - Open source, live graphics, Swift framework, powered by Metal.
+- [OPENRNDR](https://openrndr.org/) [Cross-platform] - Open source library for creative coding written in Kotlin.
 
 ### Visual Programming Languages