diff --git a/readme.md b/readme.md
index 73f1fd6..7df3dd4 100644
--- a/readme.md
+++ b/readme.md
@@ -166,6 +166,7 @@ Creative coding is a different discipline than programming systems. The goal is
 - [Csound](https://csound.com/) - A sound and music computing system.
 - [Orca](https://100r.co/pages/orca.html) - Live coding environment to quickly create procedural sequencers.
 - [handel](https://handel-pl.github.io/) - A small procedural programming language for writing songs in browser.
+- [Overtone](https://overtone.github.io/) - An open source audio environment designed to explore new musical ideas from synthesis and instrument building to live-coding.
 - [Melrōse](https://melrōse.org/) - A MIDI producing environment for creating (live) music.
 
 ### Web Programming • Libraries