diff --git a/readme.md b/readme.md
index 9acae6d..48d5541 100644
--- a/readme.md
+++ b/readme.md
@@ -49,6 +49,7 @@
 ## Misc
 
 - [D3.js](https://d3js.org)
+- [Mermaid](https://github.com/knsv/mermaid)
 
 ## License