head to head · open source
paca vs lotti
paca has 1,836 GitHub stars, 154 forks, 8 open issues and last shipped 2 days ago. lotti has 1,175 stars, 119 forks, 4 open issues and last shipped today. paca leads on adoption by 56% (1,836 vs 1,175 stars). paca is written in Go under Apache-2.0; lotti is written in Dart under GPL-3.0. paca has attracted 8% 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
| paca | lotti | |
|---|---|---|
| GitHub stars | ★ 1.8K | ★ 1.2K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Go | Dart |
| Last push | 2026-09-18 | 2026-09-20 |
| Forks | ⑂ 154 | ⑂ 119 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick paca if
- You weight community size — 1.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- 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 paca
Paca is a free, open source, self hosted, AI native project management platform in which human Scrum teams and AI agents work as equal teammates on the same board, the same sprints, and the same goals.
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 paca or lotti more popular?
paca has 1,836 GitHub stars and lotti has 1,175. paca has the larger community by that measure.
Are paca and lotti free?
Both are open source. paca is licensed under Apache-2.0 and lotti under GPL-3.0. Neither carries a licence fee.
What is the difference between paca and lotti?
paca is written in Go 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, paca or lotti?
Choose paca if you want the larger community (1,836 stars) or its Apache-2.0 licence terms. Choose lotti if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.