Open-source projects tagged “foss”
Open-source and self-hostable projects tagged “foss” on GitHub, with license, free-edition limits and setup checked against official sources.
- Rocket.Chat
A self-hostable team communications platform with chat, channels, and omnichannel customer messaging.
Stars46kLast commitOct 15, 2026LicenseMIT - Zulip
A self-hostable team chat app that organizes every conversation into topics inside channels.
Stars26kLast commitOct 14, 2026LicenseApache-2.0 - WeKan
An open-source Kanban board with boards, lists, cards, swimlanes and real-time updates that you can host yourself.
Stars21kLast commitOct 15, 2026LicenseMIT - OpenSearch
A distributed search and analytics engine, with dashboards, vector search and observability tools, developed under the Linux Foundation.
Stars14kLast commitOct 15, 2026LicenseApache-2.0
