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@@ -110,6 +110,8 @@ Emoji's for each entry indicate whether it is added to the [Fediverse Party](htt
 
 * :heavy_check_mark: [**Express ActivityPub**](https://github.com/dariusk/express-activitypub): A very simple reference implementation of an ActivityPub server using Express.js. `MIT, Javascript`
 
+* [**Federails**](https://gitlab.com/experimentslabs/federails): An ActivityPub engine for Ruby on Rails. `MIT, Ruby`
+
 * :heavy_check_mark: [**Federation**](https://gitlab.com/jaywink/federation): Library to abstract social web federation protocols like ActivityPub, Diaspora and Matrix (see [docs](https://federation.readthedocs.io)) `BSD-3-clause, Python`
 
 * [**fedi-inbox**](https://gitlab.com/paulkiddle/fedi-inbox) ([Fedi account](https://meow.social/@stokes)): Basic Fediverse Inbox. Writing software is hard and time consuming. What's the most basic practical system that lets us connect to the fediverse? `-, Javascript`