[leipert]

If you are still looking at this, we use the following solutions at work:

- https://meet.jit.si as a hangout replacement (seems like a polished hangout alternative)

- https://about.mattermost.com/ as a on-premise slack / hipchat / irc alternative

(not affiliated with any of those products)

[tajen]

As long as https://appear.in is independent, I don't care what Google does with Hangouts. Appear.in doesn't even require a login!