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Trello vs Kanboard: catalog facts
Trello	Kanboard
Freemium Free plan for up to 10 collaborators per workspace; paid plans remove limits.	Free Free and open source.
Web	Web, Self-hosted
Simple, visual Kanban boards Inbox captures items from email and Slack	Simple installation on your own server Work-in-progress limits per column
Free plan limited to 10 boards and 10 collaborators per workspace Hosted only, no self-hosting	Plain interface with a deliberately limited feature set You have to host and maintain it yourself
Web application, Hosted service	Self-hosted
Closed source	Open source
License not stated	License: MIT
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.