diff --git a/Watchlist-for-ActivityPub-developer-resources.md b/Watchlist-for-ActivityPub-developer-resources.md
index 6f8d7c5..9414d21 100644
--- a/Watchlist-for-ActivityPub-developer-resources.md
+++ b/Watchlist-for-ActivityPub-developer-resources.md
@@ -118,6 +118,8 @@
 
 * [**OCR Bot**](https://github.com/Lynnesbian/OCRbot/) ([Fedi account](https://fedi.lynnesbian.space/@lynnesbian)): An OCR (Optical Character Recognition) bot for Mastodon (and compatible) instances `AGPL-3.0, Python`
 
+* [**tootgroup.py**](https://github.com/oe4dns/tootgroup.py): Emulate group accounts on Mastodon. `GPL-3.0, Python`
+
 #### Testing
 
 * :heavy_check_mark: [**activitypub-mock**](https://gitlab.com/evanp/activitypub-mock): A mock ActivityPub server to use in testing code `Apache-2.0, Javascript`