head to head · open source
Leantime vs lotti
Leantime has 11,612 GitHub stars, 1,131 forks, 328 open issues and last shipped 13 days ago. lotti has 1,175 stars, 119 forks, 4 open issues and last shipped today. Leantime leads on adoption by 888% (11,612 vs 1,175 stars). Leantime is written in PHP under AGPL-3.0; lotti is written in Dart under GPL-3.0. Leantime has attracted 10% as many forks as stars, lotti 10%. lotti 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
| Leantime | lotti | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.2K |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | PHP | Dart |
| Last push | 2026-09-07 | 2026-09-20 |
| Forks | ⑂ 1.1K | ⑂ 119 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Leantime if
- You weight community size — 12K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches PHP
- 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 Leantime
Leantime is an open source project management system in the Business Software / Project & Work Management category, written in PHP and licensed under AGPL 3.0. It is aimed at non project managers and combines strategy, planning, and execution in one place. The project describes itself as built with ADHD, autism, and dyslexia in mind.
read the full Leantime 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 Leantime or lotti more popular?
Leantime has 11,612 GitHub stars and lotti has 1,175. Leantime has the larger community by that measure.
Are Leantime and lotti free?
Both are open source. Leantime is licensed under AGPL-3.0 and lotti under GPL-3.0. Neither carries a licence fee.
What is the difference between Leantime and lotti?
Leantime is written in PHP 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, Leantime or lotti?
Choose Leantime if you want the larger community (11,612 stars) or its AGPL-3.0 licence terms. Choose lotti if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.