Not yet, but join the Slack group for early announcements. In development now: https://slackin-ekhdyygaer.now.sh/

Funny how a Slack group is used for discussions. No offense to the lovely people at Slack but they fall into the category of "private, short-lived, growth-oriented companies", no?

This discussion came up here before "Please don't use Slack for FOSS projects": https://news.ycombinator.com/item?id=11013136