diff --git a/README.md b/README.md
index a4adb9f..ea0d632 100644
--- a/README.md
+++ b/README.md
@@ -122,13 +122,23 @@ Cloud- und Groupware-Lösungen auch zum selbst hosten:
 ##### Add-ons
 
 - [Consent-O-Matic](https://github.com/cavi-au/Consent-O-Matic)
+- [Dark Reader](https://darkreader.org/)
+- [Firefox Multi-Account Containers](https://github.com/mozilla/multi-account-containers#readme)
 - [Firefox Relay](https://relay.firefox.com/)
+- [Firefox Translations](https://browser.mt/)
+- [Flagfox](https://flagfox.wordpress.com/)
+- [floccus bookmarks sync](https://floccus.org/)
+- [Grammatik- und Rechtschreibprüfung - LanguageTool](https://languagetool.org/)
 - [KeePassXC-Browser](https://keepassxc.org/)
+- [Mailvelope](https://mailvelope.com/)
+- [OneTab](http://www.one-tab.com/)
 - [Privacy Badger](https://privacybadger.org/)
 - [Privacy Redirect](https://github.com/SimonBrazell/privacy-redirect)
+- [Tab Stash](https://josh-berry.github.io/tab-stash/)
 - [uBlock Origin](https://github.com/gorhill/uBlock#ublock-origin)
-- [Flagfox](https://flagfox.wordpress.com/)
-- [Mailvelope](https://mailvelope.com/)
+- [Wallabagger](https://github.com/wallabag/wallabagger)
+- [Zotero Connector](https://www.zotero.org/)
+
 
 #### DNS