diff --git a/readme.md b/readme.md
index 2c3d63e8..4e2694be 100644
--- a/readme.md
+++ b/readme.md
@@ -81,6 +81,7 @@
 
 - [Official](#official)
 - [Packages](#packages)
+	- [Diff](#diff)
 	- [Mad science](#mad-science)
 	- [Command-line apps](#command-line-apps)
 	- [Functional programming](#functional-programming)
@@ -154,6 +155,10 @@
 
 ## Packages
 
+### Diff
+
+- [superdiff](https://github.com/DoneDeal0/superdiff) - Rich diff for arrays, objects, texts and coordinates. Supports stream and file inputs for handling large datasets efficiently, zero dependencies, top-tier performance.
+
 ### Mad science
 
 - [webtorrent](https://github.com/webtorrent/webtorrent) - Streaming torrent client for Node.js and the browser.