diff --git a/README.md b/README.md
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@@ -244,6 +244,8 @@ For an overview of known relays, see [A sorted list of ActivityPub relays for Ma
 
 * :heavy_check_mark: [**dda-masto-embed**](https://github.com/DomainDrivenArchitecture/dda-masto-embed) ([Fedi account](https://social.meissa-gmbh.de/@team)): Embeds mastodon timline into a html page. Uses JS, no intermediate server required. `Apache-2.0, ClojureScript`
 
+* [**FediAct**](https://github.com/Lartsch/FediAct): Chrome/Firefox extension that simplifies interactions on other Mastodon instances than your own. `MIT, Javascript`
+
 * [**fediblock-importer**](https://github.com/irubnich/fediblock-importer): Import domain blocks to your Mastodon v4+ instance. `GPL-3.0, Python`
 
 * :heavy_check_mark: [**Fedifinder**](https://github.com/lucahammer/fedifinder) - Find fediverse addresses in the profiles of your Twitter followings `MIT, Javascript`