diff --git a/README.md b/README.md
index cb283d5..fa6bf67 100644
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@@ -50,6 +50,7 @@ Simple example of implementing ActivityPub.
 * [dsblank/activitypub](https://github.com/dsblank/activitypub) - Prototyping a Python ActivityPub distributed server in Tornado.
 * [microstatus](https://github.com/Arkanosis/microstatus) - Mastodon, GNUsocial compatible ActivityPub and OStatus server implementation.
 * [pylodon](https://github.com/rowanlupton/pylodon) - Flask-based ActivityPub server implementation.
+* [dariusk/express-activitypub](https://github.com/dariusk/express-activitypub) - A very simple reference implementation of an ActivityPub server using Express.js
 
 ## Libraries
 A little help for implementing ActivityPub.