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 Spaces - Facebook's social Virtual Reality platform is here!
ChatSecure - ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.
Slackmojis - A directory of the best custom slack emojis
Keybase Chat - End-to-end encrypted chat built into Keybase
Facebook Reactions - A more expressive Like button