head to head · open source
OpenProject vs gronx
OpenProject has 16,132 GitHub stars, 3,486 forks, 224 open issues and last shipped yesterday. gronx has 516 stars, 32 forks, 8 open issues and last shipped yesterday. OpenProject leads on adoption by 3,026% (16,132 vs 516 stars). OpenProject is written in Ruby under GPL-3.0; gronx is written in Go under MIT. OpenProject has attracted 22% as many forks as stars, gronx 6%. 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 | gronx | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 516 |
| License | GPL-3.0 | MIT |
| Written in | Ruby | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 3.5K | ⑂ 32 |
| 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 gronx if
- You want the gronx feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and gronx 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 gronx
gronx is a lightweight, dependency free cron expression parser, task runner and job scheduler for Go (tested on v1.13+) that also ships as a standalone binary and crontab like daemon for use outside a Go program.
read the full gronx overview →
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Frequently asked questions
Is OpenProject or gronx more popular?
OpenProject has 16,132 GitHub stars and gronx has 516. OpenProject has the larger community by that measure.
Are OpenProject and gronx free?
Both are open source. OpenProject is licensed under GPL-3.0 and gronx under MIT. Neither carries a licence fee.
What is the difference between OpenProject and gronx?
OpenProject is written in Ruby and gronx 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, OpenProject or gronx?
Choose OpenProject if you want the larger community (16,132 stars) or its GPL-3.0 licence terms. Choose gronx if its feature set, stack or MIT licence fits better. Both are self-hostable.