head to head · open source
vibe-kanban vs calcure
vibe-kanban has 28,112 GitHub stars, 3,013 forks, 540 open issues and last shipped yesterday. calcure has 2,359 stars, 73 forks, 6 open issues and last shipped 20 days ago. vibe-kanban leads on adoption by 1,092% (28,112 vs 2,359 stars). vibe-kanban is written in Rust under Apache-2.0; calcure is written in Python under MIT. vibe-kanban has attracted 11% as many forks as stars, calcure 3%. vibe-kanban was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (task-manager), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| vibe-kanban | calcure | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 2.4K |
| License | Apache-2.0 | MIT |
| Written in | Rust | Python |
| Last push | 2026-09-17 | 2026-08-29 |
| Forks | ⑂ 3.0K | ⑂ 73 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick vibe-kanban if
- You weight community size — 28K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick calcure if
- You want the calcure feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and calcure fits your workflow better
About vibe-kanban
Vibe Kanban is an open source, Apache 2.0 kanban board written in Rust that lets software engineers plan work as issues and hand each issue to a coding agent such as Claude Code, Codex, Gemini CLI or Amp inside an isolated workspace.
read the full vibe-kanban overview →
About calcure
Calcure is a modern terminal user interface calendar and task manager written in Python under the MIT license. It runs in a terminal on Linux, macOS, or Windows, and it presents events, tasks, birthdays, and reminders in a customizable text based interface.
read the full calcure overview →
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Frequently asked questions
Is vibe-kanban or calcure more popular?
vibe-kanban has 28,112 GitHub stars and calcure has 2,359. vibe-kanban has the larger community by that measure.
Are vibe-kanban and calcure free?
Both are open source. vibe-kanban is licensed under Apache-2.0 and calcure under MIT. Neither carries a licence fee.
What is the difference between vibe-kanban and calcure?
vibe-kanban is written in Rust and calcure in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, vibe-kanban or calcure?
Choose vibe-kanban if you want the larger community (28,112 stars) or its Apache-2.0 licence terms. Choose calcure if its feature set, stack or MIT licence fits better. Both are self-hostable.