Hermes - Pandora Client for OS X
Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
Facebook Creator - Video tools for influencers
Brie.fi/ng - Start secure group video chat
FB Unseen - Blocks the ”seen” feature of the Facebook messenger.
Slack - A messaging app for teams who see through the Earth!