Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
LiveKit - The open source platform for real-time communication
Burner - Disposable phone numbers -- now with MMS photo support
MushRoom - KnockKnock the person whom you want to message and he/she should accept your knockRoom or Group can be created by providing a nameShare Room link with your friends to join the conversationWatch video or listen music during conversation
Keepsafe Unlisted - Protect your phone number, private texts and calls
Liveapi - Launch your live video streaming app in days