diff --git a/README.md b/README.md
index 3264ba2..e656d93 100644
--- a/README.md
+++ b/README.md
@@ -50,3 +50,8 @@ being nice include:
 ## Can I help?
 
 Absolutely, please see [Contributing guide](CONTRIBUTING.md).
+
+## Similar projects
+
+* [TryItOnline](https://tio.run/)
+* [RyuGod](https://www.ryugod.com/)