diff --git a/README.md b/README.md
index 6200d05..754c9ec 100644
--- a/README.md
+++ b/README.md
@@ -425,6 +425,8 @@ Emoji's for each entry provide additional information on project status:
 
 * [**XWiki**](https://github.com/xwiki) ([site](http://www.xwiki.org/), [Fedi account](https://social.weho.st/@XWiki)): An advanced open source Enterprise Wiki (via the [ActivityPub Extension](https://extensions.xwiki.org/xwiki/bin/view/Extension/ActivityPub%20Application/)). `LGPL 2.1, Java`
 
+* [**Ibis**](https://github.com/Nutomic/ibis) ([site](https://ibis.wiki)): A federated encyclopedia similar to Wikipedia. Users can seamlessly read and edit articles across instances. `AGPL-3.0, Rust`
+
 #### Reviewing
 
 * [**Bookwyrm**](https://github.com/mouse-reeve/bookwyrm) ([site](https://joinbookwyrm.com), [Fedi account](https://tech.lgbt/@bookwyrm)): A federated alternative to Goodreads (non-OSS license) `ANTI-CAPITALIST SOFTWARE LICENSE v1.4, Python`