head to head · open source
OpenProject vs Worklenz
OpenProject has 16,132 GitHub stars, 3,486 forks, 224 open issues and last shipped yesterday. Worklenz has 3,179 stars, 372 forks, 78 open issues and last shipped 15 days ago. OpenProject leads on adoption by 407% (16,132 vs 3,179 stars). OpenProject is written in Ruby under GPL-3.0; Worklenz is written in TypeScript under a custom or non-standard licence. OpenProject has attracted 22% as many forks as stars, Worklenz 12%. OpenProject was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | Worklenz | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 3.2K |
| License | GPL-3.0 | Custom / other |
| Written in | Ruby | TypeScript |
| Last push | 2026-09-17 | 2026-09-03 |
| Forks | ⑂ 3.5K | ⑂ 372 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenProject if
- You weight community size — 16K 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 Worklenz if
- You want the Worklenz feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Worklenz fits your workflow better
About OpenProject
OpenProject is a web based open source project management software for teams and organizations that need transparency, flexibility, and data sovereignty. It lives in the open source project management ecosystem, with Ruby as the repository language and Angular as a listed topic. The project is positioned as an open alternative to Asana and Basecamp, and the README also compares it with Jira, MS Project, Monday, and YouTrack.
read the full OpenProject overview →
About Worklenz
Worklenz is an open source project management tool built for organizations that want to manage projects, tasks, and team collaboration in one place. The repository holds both the frontend and backend code. The frontend is built with React and uses Ant Design as its UI library, while the backend is written in TypeScript on Express.js and stores data in PostgreSQL. The project lives in the JavaScript and TypeScript ecosystem, and the topic list places it alongside Express, React, REST API, and PostgreSQL tooling. Categorized as business software for project and work management, it carries the tagline of an open sou…
read the full Worklenz overview →
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Frequently asked questions
Is OpenProject or Worklenz more popular?
OpenProject has 16,132 GitHub stars and Worklenz has 3,179. OpenProject has the larger community by that measure.
Are OpenProject and Worklenz free?
Both are open source. OpenProject is licensed under GPL-3.0, and Worklenz has no licence declared in this registry. Both are free to self-host.
What is the difference between OpenProject and Worklenz?
OpenProject is written in Ruby and Worklenz 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 Worklenz?
Choose OpenProject if you want the larger community (16,132 stars) or its GPL-3.0 licence terms. Choose Worklenz if its feature set, stack or Custom / other licence fits better. Both are self-hostable.