head to head · open source
onedev vs paca
onedev has 15,339 GitHub stars, 991 forks, 0 open issues and last shipped 2 days ago. paca has 2,024 stars, 185 forks, 8 open issues and last shipped yesterday. onedev leads on adoption by 658% (15,339 vs 2,024 stars). onedev is written in Java under MIT; paca is written in Go under Apache-2.0. onedev has attracted 6% as many forks as stars, paca 9%. paca was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (self-hosted), 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
| onedev | paca | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 2.0K |
| License | MIT | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 991 | ⑂ 185 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick onedev if
- You weight community size — 15K stars and counting
- You want the MIT license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick paca if
- You want the paca feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and paca fits your workflow better
About onedev
NOTE: We develop OneDev at code.onedev.io for sake of dogfooding. Please submit issues and pull requests there The Unified and Autonomous Development Platform Get Started AI Teammates 🔎 Out of box code search and navigation Language aware symbol search and navigation in any commit. Click symbol to show occurrences in current file. Fast code search with regular expression. Try It 📦 Renovate integration to update project dependencies Integrate with Renovate to update project dependencies via pull requests. Merge pull requests automatically when approved by required reviewers, or pass required tests. Tutorial 🚦…
read the full onedev overview →
About paca
Paca AI native. Free. Lightweight. Open source. The fully customizable alternative to Jira, Trello, ClickUp, and Monday. ✨ Sponsored by Getting Started · MCP Server · Paca Skills · Architecture · Contributing · Roadmap What is Paca? Paca is a self hosted project management platform where AI agents and humans collaborate as equal teammates inside a Scrum team — not as chatbots bolted on the side. Jira gives you a backlog. ClickUp gives you automations. Monday gives you dashboards. Paca gives your AI agents a seat at the table. They join sprint planning, pick up tasks from the board, write BDD specs, and adapt…
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Frequently asked questions
Is onedev or paca more popular?
onedev has 15,339 GitHub stars and paca has 2,024. onedev has the larger community by that measure.
Are onedev and paca free?
Both are open source. onedev is licensed under MIT and paca under Apache-2.0. Neither carries a licence fee.
What is the difference between onedev and paca?
onedev is written in Java and paca in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, onedev or paca?
Choose onedev if you want the larger community (15,339 stars) or its MIT licence terms. Choose paca if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.