Team chat
- https://discordapp.com/
- http://slack.com
- https://chat.zulip.org
- https://www.hipchat.com/
- https://www.flowdock.com
last updated january 2017
- https://discordapp.com/
- http://slack.com
- https://chat.zulip.org
- https://www.hipchat.com/
- https://www.flowdock.com