Phonebot - Make phone calls from within a Slack channel
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
WING - A phone carrier that is actually nice to you.
Berkanan - Chat with people nearby. Even offline, on an ✈️.
HideMyFaceTime - Stop watching your own face during FaceTime calls.
Roomvine - Chatrooms for real life venues, neighborhoods and events