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

Enterprise Q&A and knowledge-sharing platform for teams and developer communities. Provides question-and-answer forums, structured knowledge base articles, moderation and community management tools, access controls, and analytics to capture and surface organizational knowledge.
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
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
Open source Stack Overflow clone for teams: Q&A, knowledge sharing, search, spaces, reputation, webhooks, and integrations via a Para backend.

922 stars230 forksApache-2.0last commit Actively maintained
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
Trac is a minimalistic, web-based project management tool combining issue tracking, a wiki, and version control integration for Subversion and Git.

Activity unknown
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.