diff --git a/Tools.md b/Tools.md
index ae5318e..a0f0b9b 100644
--- a/Tools.md
+++ b/Tools.md
@@ -11,3 +11,4 @@ The following services are used to help run the Tracks project:
 | [Read the Docs](https://readthedocs.org/) | documentation _(experimental, not public)_ | @zoombody |
 | [Heroku](https://www.heroku.com/) | Tracks demo instance _(experimental, not public)_ | @zoombody |
 | [Twitter](https://twitter.com/) | Twitter communication | @zoombody |
+| [Gratipay](https://gratipay.com/) | donations | @zoombody |