diff --git a/README.md b/README.md
index 7e37565..3408da9 100644
--- a/README.md
+++ b/README.md
@@ -356,6 +356,8 @@ For an overview of known relays, see [Relay List, a regularly updated, sorted li
 
 * [**PocketToots**](https://github.com/tsujigiri/PocketToots):A Firefox extension that saves your Mastodon bookmarks to Pocket. `GPL-3.0, Javascript`
 
+* [**RapidBlock**](https://github.com/rapidblock-org/rapidblock) ([site](https://rapidblock.org)): A tool for syndicating domain blocks across the Fediverse. `BSD2-Clause, Go`
+
 * [**rtoot**](https://github.com/schochastics/rtoot/) ([Fedi account](https://fosstodon.org/@schochastics), [site](https://schochastics.github.io/rtoot/)): R package to interact with the mastodon API. `MIT, R`
 
 * :heavy_check_mark: [**Shareon**](https://codeberg.org/kytta/shareon) ([site](https://shareon.js.org/), [Fedi account](https://fosstodon.org/@kytta)): Lightweight, stylish, and ethical share buttons. `MIT, Javascript`