MyBB is a free and open source forum software written in PHP with support for MySQL/PostgreSQL/SQLite, licensed under GNU LGPL v3.
Go to mybb.com/download to download the latest stable, production-ready version of the MyBB forum software.
Go to docs.mybb.com to view articles on usage, administration, and troubleshooting of MyBB.
Open Extend MyBB to download plugins, themes, translations and other resources to customize your MyBB board.
Support & Discussion
View CONTRIBUTING.md for information on submitting changes, workflow, and best practices for working with the code repository. To learn more about contributing to the MyBB Project, go to mybb.com/get-involved.
Some icons by Yusuke Kamiyamane.