diff --git a/Using-Mastodon/Apps.md b/Using-Mastodon/Apps.md
index 1912466f..629c375d 100644
--- a/Using-Mastodon/Apps.md
+++ b/Using-Mastodon/Apps.md
@@ -131,6 +131,7 @@ Some people have started working on apps for the Mastodon API. Here is a list of
 |**[wall](http://mastodon.tools/wall/)**|Web browser|<https://github.com/DavidLibeau/mastodon-tools/tree/master/wall>|[@David@mastodon.xyz](https://mastodon.xyz/@David)|
 |[Scheduler](http://mastodon.tools/scheduler/) *(beta)*|Web browser|<https://github.com/DavidLibeau/mastodon-scheduler>|[@David@mastodon.xyz](https://mastodon.xyz/@David)|
 |**[Tootmap](https://tootmap.net/)**|Web browser|<https://github.com/wakin-/Tootmap>|[@wakin@biwakodon.com](https://biwakodon.com/@wakin)|
+|**[Mastodon User Matching](http://vinayaka.distsn.org/)**|Web browser|<https://github.com/distsn/vinayaka>|[@hakabahitoyo@2.distsn.org](https://2.distsn.org/@hakabahitoyo)|
 |[mastodon-archive](https://github.com/kensanata/mastodon-backup#mastodon-archive)|CLI|<https://github.com/kensanata/mastodon-backup#mastodon-archive>|[Alex Schroeder](https://alexschroeder.ch/wiki/Contact)|
 
 If you have a project like this, make a PR to add it to the list!