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.
Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
Keybase Chat - End-to-end encrypted chat built into Keybase
AdGuard - Surf the Web Ad-Free and Safely. Shield up!
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.