uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
GetStream.io - APIs for the development of scalable newsfeeds and chat applications.
Adblock Plus - AdBlock Plus is a browser extension for Firefox, Chrome, Opera, and several other popular browsers that prevents intrusive ads like pop-ups and malicious code from appearing on websites you visit.
Geneva - An all-in-one communication app for groups & communities
AdGuard - Surf the Web Ad-Free and Safely. Shield up!
müteme - A free Zoom mute button for Mac