HipChat is great, but I've found myself much more often on JabbR (https://jabbr.net/ https://jabbr.net/) to be honest. Might be because I am a sucker for Signal

HipChat is great, but I've found myself much more often on JabbR (https://jabbr.net/ https://jabbr.net/) to be honest. Might be because I am a sucker for SignalR. JabbR is also free to use, you can have private team rooms if you so like and it integrates with a bunch of auth services.