head to head · open source
OpenProject vs lotti
OpenProject has 16,132 GitHub stars, 3,486 forks, 224 open issues and last shipped yesterday. lotti has 1,175 stars, 118 forks, 4 open issues and last shipped yesterday. OpenProject leads on adoption by 1,273% (16,132 vs 1,175 stars). OpenProject is written in Ruby under GPL-3.0; lotti is written in Dart under GPL-3.0. OpenProject has attracted 22% as many forks as stars, lotti 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 | lotti | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 1.2K |
| License | GPL-3.0 | GPL-3.0 |
| Written in | Ruby | Dart |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 3.5K | ⑂ 118 |
| 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 lotti if
- You want the lotti feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Dart
- You evaluated both and lotti 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 lotti
Lotti is an open source, end to end encrypted logbook for individuals who want a private, local first record of the work they actually did, staffed by persistent AI agents that read what is recorded and propose the next change for the user to approve.
read the full lotti overview →
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Frequently asked questions
Is OpenProject or lotti more popular?
OpenProject has 16,132 GitHub stars and lotti has 1,175. OpenProject has the larger community by that measure.
Are OpenProject and lotti free?
Both are open source. OpenProject is licensed under GPL-3.0 and lotti under GPL-3.0. Neither carries a licence fee.
What is the difference between OpenProject and lotti?
OpenProject is written in Ruby and lotti in Dart. 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 lotti?
Choose OpenProject if you want the larger community (16,132 stars) or its GPL-3.0 licence terms. Choose lotti if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.