head to head · open source
OpenProject vs KaibanJS
OpenProject has 16,933 GitHub stars, 3,676 forks, 224 open issues and last shipped yesterday. KaibanJS has 1,486 stars, 159 forks, 78 open issues and last shipped 6 months ago. OpenProject leads on adoption by 1,040% (16,933 vs 1,486 stars). OpenProject is written in Ruby under GPL-3.0; KaibanJS is written in TypeScript under MIT. OpenProject has attracted 22% as many forks as stars, KaibanJS 11%. OpenProject was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (kanban), 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
| OpenProject | KaibanJS | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 1.5K |
| License | GPL-3.0 | MIT |
| Written in | Ruby | TypeScript |
| Last push | 2026-11-02 | 2026-05-15 |
| Forks | ⑂ 3.7K | ⑂ 159 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenProject if
- You weight community size — 17K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick KaibanJS if
- You want the KaibanJS feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and KaibanJS fits your workflow better
About OpenProject
OpenProject We empower teams to achieve great things together for the good of society. OpenProject is a web based open source project management software for teams and organizations that require transparency, flexibility, and data sovereignty. Manage projects, portfolios, products, tasks, bugs, agile workflows, roadmaps, and team collaboration in a single platform. OpenProject can be self hosted and is designed for organizations looking for an open source enterprise ready alternative to tools such as Jira, MS Project, Monday, Asana, YouTrack while maintaining full control over their data and infrastructure…
read the full OpenProject overview →
About KaibanJS
KaibanJS The JavaScript Framework for Building Multi agent Systems. Kanban for AI Agents? 🤖📋 KaibanJS is inspired by the tried and true Kanban methodology, which is well known for helping teams organize and manage their work. We've adapted these concepts to meet the unique challenges of AI agent management . If you've used tools like Trello, Jira, or ClickUp, you'll be familiar with how Kanban helps manage tasks. Now, KaibanJS uses that same system to help you manage AI agents and their tasks in real time. With KaibanJS, you can: 🔨 Create, visualize, and manage AI agents, tasks, tools, and teams 🎯…
read the full KaibanJS overview →
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Frequently asked questions
Is OpenProject or KaibanJS more popular?
OpenProject has 16,933 GitHub stars and KaibanJS has 1,486. OpenProject has the larger community by that measure.
Are OpenProject and KaibanJS free?
Both are open source. OpenProject is licensed under GPL-3.0 and KaibanJS under MIT. Neither carries a licence fee.
What is the difference between OpenProject and KaibanJS?
OpenProject is written in Ruby and KaibanJS 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, OpenProject or KaibanJS?
Choose OpenProject if you want the larger community (16,933 stars) or its GPL-3.0 licence terms. Choose KaibanJS if its feature set, stack or MIT licence fits better. Both are self-hostable.