Apache Answer is a modern open-source Q&A platform for teams to build knowledge bases, forums, and help centers.

15.7k stars1.4k forksApache-2.0last commit Actively maintained
Quora is a web-based question-and-answer platform where users ask questions, write and vote on answers, follow topics and people, and organize content into feeds and Spaces. It includes user profiles, moderation tools, and a premium subscription option.
Apache Answer is a modern open-source Q&A platform for teams to build knowledge bases, forums, and help centers.

15.7k stars1.4k forksApache-2.0last commit Actively maintained
Apache Answer is an open-source Q&A platform for community forums, help centers, and internal knowledge sharing with tagging, voting, and a plugin system.

15.7k stars1.4k forksApache-2.0last commit Actively maintained
Self-hostable community discussion platform combining Q&A, forums, team chat, ideation/upvoting, and Disqus-style embedded blog comments.

1.8k stars129 forksAGPL-3.0last commit Actively maintained
Open-source front-end that proxies Quora to deliver an ad-free, tracker-free reading experience with a small Node.js/Express/Pug codebase.

498 stars35 forksAGPL-3.0last commit Slowing down
QPixel is a Ruby on Rails Q&A platform powering Codidact, supporting multiple communities, categories, Markdown content, voting and activity-based privileges.
439 stars71 forksAGPL-3.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 4 of 5 shipped a commit in the last six months. Licences in this list: Apache-2.0, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Q&A / Knowledge Communities.