Answer Wiki
Everything that is available with StackOverflow and Quora alternatives/Clones
are available in Discourse.
Has many good features similar to StackOverflow and many similar to Quora
like following, tags, people, questions.
17 Answers
7.6kViews
No open source Q&A products are quite like Quora, which - as you'll know by now - runs in a very effective, near-realtime way. Most are based on StackExchange (the platform that powers sites like StackOverflow), Digg, or Yahoo Answers.
Here are a couple to start with:
Unfortunately, as is often the case with open source projects, they haven't concentrated much on the overall UX, so a lot of interface work is probably required.
611Views
I've also added some redundant threads under "Related Questions" on the right, but also here:
I've tried to merge everything from the other pages into: