Free and open source tournament scheduling system
Build tournament setups, add teams, schedule matches, keep track of scores and present ranking live to the public.

Features
Open-source and free
Bracket is fully open source and free to use, licensed under the AGPL-3.0 license.
Flexible
Bracket supports the standard tournament types, teams can be added/changed during the tournament and new matches can be scheduled dynamically.
Easy to use
The UI is meant to be easy to use while providing maximum flexibility.
Self-hosted
You are free to host it yourself. Setup is easy; either run it in Docker or run it the natively on the host. The only external dependency is a PostgreSQL database.