Consider building your own (many large communities do). https://getstream.io/chat/ https://getstream.io/chat/ It's super simple to build with Stream and far lo

Consider building your own (many large communities do). https://getstream.io/chat/ https://getstream.io/chat/ It's super simple to build with Stream and far lower costs than Slack. (i'm the CEO, founder so don't take my word for it). But we have quite a few customers building either communities into their app or large companies running integrated chat workflows. (think airline operations, construction collaboration etc.)