Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
VIXY video - Your videos online, the smart way
Keybase Chat - End-to-end encrypted chat built into Keybase
Grabyo - Stream, edit and publish video anywhere, anytime
Crypho - End-to-end-encrypted messaging and file sharing
VidMob - A marketplace for video editors.