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Focalboard
From the Mattermost team comes Focalboard, an open-source, MIT-licensed project board tool - a self-hosted alternative to Trello, Asana, and Notion databases, written in Go with a React frontend. Every board renders the same card data four ways: Kanban with drag-and-drop columns, a spreadsheet-style table, an image-forward gallery, and a calendar. Cards carry unlimited custom properties - dates, dropdowns, checkboxes, people, URLs - and boards can be grouped, filtered, and sorted by any property combination, with unlimited saved filtered views for quick access. Built-in templates cover the common workflows (meeting agendas, content calendars, project tasks, roadmaps, sprint planning), or you can build fully custom boards from scratch. Collaboration is real: card comments with @mentions, per-board permissions for teams or individuals, file attachments stored on your own infrastructure, and archiving with backup snapshots. Migration tooling imports existing boards from Trello (JSON export), Asana, and Notion, so switching does not mean starting over. It ships in 20+ languages and runs as a lightweight multi-user personal server. Worth knowing before deploying: Mattermost has shifted primary development to the integrated Mattermost Boards plugin, so the standalone edition is community-maintained - stable and functional, but evolving slowly. For teams wanting a free, private Trello without per-user fees, it remains a solid pick.
Benefits
- Four Views, One Source of Truth
- The same cards render as Kanban, table, gallery, or calendar - each person works in the layout that fits.
- No Per-User Pricing
- Unlimited boards, users, and custom properties without the tiered paywalls of Trello or Notion.
- Painless Migration
- Import existing boards from Trello, Asana, and Notion - your workflow history comes with you.
- Data on Your Infrastructure
- Cards, comments, and file attachments live on your server, not a vendor's cloud.
Features
- Kanban, Table, Gallery, Calendar
- Switch views instantly and save unlimited filtered views per board.
- Unlimited Custom Properties
- Dates, selects, checkboxes, people, and URLs on every card - group and sort by any of them.
- Board Templates
- Prebuilt meeting, roadmap, sprint, and content-calendar templates, plus fully custom boards.
- Comments and Permissions
- Card discussions with @mentions and per-board sharing for teams or individuals.
- Import Tools
- Bring boards over from Trello JSON exports, Asana, and Notion.
- Archiving and Snapshots
- Built-in board archiving and backup snapshots for recovery.