Open Source Alternatives to Circle

Drone Logo

Drone

Container-native CI/CD platform

★ 38,531 Updated: Oct 2026 Status: Active
Forem Logo

Forem

Platform for building modern communities

★ 22,795 Updated: Oct 2026 Status: Active
Spectrum Logo

Spectrum

Chat-based community platform from the former Spectrum team

★ 10,818 Updated: Jul 2022 Status: Archived
U

UNA

Community management system for social sites, forums and marketplaces

★ 326 Updated: Oct 2026 Status: Active
B

bbPress

Forum plugin from the creators of WordPress

★ 50 Updated: Oct 2026 Status: Active