diff --git a/README.adoc b/README.adoc
index f441f89..b002b2d 100644
--- a/README.adoc
+++ b/README.adoc
@@ -33,6 +33,10 @@ Or you can try telling CMake to make a package for you.  For Debian it is:
  $ cpack -G DEB
  # dpkg -i wdmtg-*.deb
 
+Similar software
+----------------
+ * https://github.com/Allexin/TrackYourTime has a GUI
+
 Contributing and Support
 ------------------------
 Use https://git.janouch.name/p/wdmtg to report any bugs, request features,