You might want to check out EffectiveDiscussions too: https://www.effectivediscussions.org. It's like Discourse + StackOverflow (Q&A) + Slack (chat) + HackerNews. (I'm developing it.)
Later this week I'll release a slightly new version that'll make it the probably fastest forum software out there :- ) But Discourse is more stable & well tested.
Later this week I'll release a slightly new version that'll make it the probably fastest forum software out there :- ) But Discourse is more stable & well tested.
Here're some features you might like, if you like HackerNews: https://www.effectivediscussions.org/-32/how-hacker-news-can...
Discord (chat) is fairly popular too. But maybe not so great for Q&A because everything scrolls up-and-away in a pure chat.