head to head · open source
OpenProject vs obsidian-tasks
OpenProject has 16,132 GitHub stars, 3,486 forks, 224 open issues and last shipped yesterday. obsidian-tasks has 4,015 stars, 388 forks, 155 open issues and last shipped 9 days ago. OpenProject leads on adoption by 302% (16,132 vs 4,015 stars). OpenProject is written in Ruby under GPL-3.0; obsidian-tasks is written in TypeScript under MIT. OpenProject has attracted 22% as many forks as stars, obsidian-tasks 10%. 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 | obsidian-tasks | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 4.0K |
| License | GPL-3.0 | MIT |
| Written in | Ruby | TypeScript |
| Last push | 2026-09-17 | 2026-09-09 |
| Forks | ⑂ 3.5K | ⑂ 388 |
| 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 obsidian-tasks if
- You want the obsidian-tasks feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and obsidian-tasks 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 obsidian-tasks
Obsidian Tasks is an open source community plugin for the Obsidian knowledge base. It is written in TypeScript and distributed under the MIT license. The plugin adds task management to ordinary Markdown notes, allowing users to create checkbox tasks, query them, and update their completion status inside the vault.
read the full obsidian-tasks overview →
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Frequently asked questions
Is OpenProject or obsidian-tasks more popular?
OpenProject has 16,132 GitHub stars and obsidian-tasks has 4,015. OpenProject has the larger community by that measure.
Are OpenProject and obsidian-tasks free?
Both are open source. OpenProject is licensed under GPL-3.0 and obsidian-tasks under MIT. Neither carries a licence fee.
What is the difference between OpenProject and obsidian-tasks?
OpenProject is written in Ruby and obsidian-tasks 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 obsidian-tasks?
Choose OpenProject if you want the larger community (16,132 stars) or its GPL-3.0 licence terms. Choose obsidian-tasks if its feature set, stack or MIT licence fits better. Both are self-hostable.