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Trello vs Kanri: catalog facts
Trello	Kanri
Freemium Free plan for up to 10 collaborators per workspace; paid plans remove limits.	Free Free and open source under the GPL-3.0 licence.
Web	Windows
Simple, visual Kanban boards Inbox captures items from email and Slack	Works fully offline with data stored locally Unlimited boards, columns and cards
Free plan limited to 10 boards and 10 collaborators per workspace Hosted only, no self-hosting	Built for personal use, not for team collaboration No built-in sync between devices
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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