diff --git a/TODO.md b/TODO.md
index 7b5c7aa..b18a43d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -6,6 +6,7 @@
 - [Graphhopper](https://github.com/IsraelHikingMap/graphhopper-docker)
 - [Filesharing](https://github.com/axeloz/filesharing)
 - [Immich](https://immich.app/)
+- [HappyDomain](https://www.happydomain.org/en/)
 - XMPP
 - HomeAssistant
 - [SimpleLogin](https://github.com/lhbdhr/simplelogin)