At unmortgage.com we've been using tetra with great success, lightweight enough (think medium.com usability) with nice slack integration. We had a good look at the alternatives: atlassian, media wiki, even rolling our own. But in terms of price / ux it's a great win.
The real magic is that we "live in slack" as a team, Dropbox/Tettra/Busybot means you never…See more
