head to head · open source
Planka vs Jantt
Planka has 12,666 GitHub stars, 1,397 forks, 425 open issues and last shipped 3 days ago. Jantt has 6,211 stars, 17 forks, 12 open issues and last shipped 2 days ago. Planka leads on adoption by 104% (12,666 vs 6,211 stars). Planka is written in JavaScript under a custom or non-standard licence; Jantt is written in TypeScript under MIT. Planka has attracted 11% as many forks as stars, Jantt 0%. Jantt was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (kanban, project-management), 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
| Planka | Jantt | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 6.2K |
| License | Custom / other | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-03 |
| Forks | ⑂ 1.4K | ⑂ 17 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Planka if
- You weight community size — 13K stars and counting
- You want the Custom / other license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Jantt if
- You want the Jantt feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Jantt fits your workflow better
About Planka
PLANKA Project mastering driven by fun Install · Demo · Docs · API · Cloud · Pro version PLANKA Pro When the whole team runs on PLANKA. Phones and tablets · five themes · a dashboard across every project · calendar, timeline and map views · cards on more than one board · templates · guest roles · SSO · PDF export. Self hosted exactly as you host it now, supported by the people who build it. Pro upgrades an existing Community installation in place — your database, your volume, your data. It is a real migration rather than a new image: Pro adds a Valkey service and a one off schema promote. The promote accepts…
read the full Planka overview →
About Jantt
The Declarative JSON Gantt Chart Engine Where human intuition meets declarative AI planning. Turn any declarative JSON document into a high performance, interactive, draggable Gantt chart. Zero runtime dependencies. 100% pure TypeScript. Runs everywhere: Plain HTML, React, Next.js, Node.js CLI, and autonomous AI toolchains. Designed from the ground up for: Autonomous AI Agents & LLMs — Declarative JSON schema contract eliminates UI hallucinations; models generate timeline data with 10x fewer tokens than fragile JSX code. Students, Hobbyists & Creators — Lightweight, beautiful Swiss Noir dark mode, intuitive drag…
read the full Jantt overview →
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Frequently asked questions
Is Planka or Jantt more popular?
Planka has 12,666 GitHub stars and Jantt has 6,211. Planka has the larger community by that measure.
Are Planka and Jantt free?
Both are open source. Planka has no licence declared in this registry, and Jantt is licensed under MIT. Both are free to self-host.
What is the difference between Planka and Jantt?
Planka is written in JavaScript and Jantt in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Planka or Jantt?
Choose Planka if you want the larger community (12,666 stars) or its Custom / other licence terms. Choose Jantt if its feature set, stack or MIT licence fits better. Both are self-hostable.