Well Stack Overflow partly matches your description. I've never looked at self-hosted software that resemnles SO, but a quick search turns up this list: https:

Well Stack Overflow partly matches your description. I've never looked at self-hosted software that resemnles SO, but a quick search turns up this list: https://meta.stackexchange.com/questions/2267/are-there-any-clones-alternatives-for-running-a-stack-exchange-style-qa-site https://meta.stackexchange.com/questions/2267/are-there-any-...