diff --git a/README.md b/README.md
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@@ -69,6 +69,11 @@ A simple 2D fluid simulation that would allow me to get a basic analysis of a cr
 ### Graph Layout Engine
 
 ### Calorie Tracker
+A simple calorie tracker
+
+#### implementations
+- [CalFlow](https://gitea.lol3r.com/leon/calflow)
+
 ### Visualise minecraft items and their relations
 Ingest the information about minecraft items and entities and their relations somehow and then generate different (interactive) graphs that show the relations between items.
 Possible relations: