Flock has a free for lifetime plan which supports unlimited users. You can check our pricing page here: https://flock.com/in/pricing/ https://flock.com/in/prici

Flock has a free for lifetime plan which supports unlimited users. You can check our pricing page here: https://flock.com/in/pricing/ https://flock.com/in/pricing/. Also Gitter and Discord don't have a platform as powerful as flock does. https://dev.flock.com/ https://dev.flock.com/ PS: I work for flock.