Busy Zone - Have you ever tried to agree on meetup date and time with several people?
Project Lightspeed - a sub-second, open source, self hosted stream from OBS
Fangage - Helping fans and brands engage with custom made fan portals.
Mux Live Streaming API - A simple API to powerful live video streaming
Chime - Group video conversations with your friends & community
Zealous - VIP live streams for your true fans