head to head · open source
Logseq vs zotero-AI-Butler
Logseq has 45,098 GitHub stars, 2,825 forks, 942 open issues and last shipped yesterday. zotero-AI-Butler has 1,768 stars, 98 forks, 17 open issues and last shipped 3 days ago. Logseq leads on adoption by 2,451% (45,098 vs 1,768 stars). Logseq is written in Clojure under AGPL-3.0; zotero-AI-Butler is written in TypeScript under AGPL-3.0. Logseq has attracted 6% as many forks as stars, zotero-AI-Butler 6%. Logseq was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (markdown), 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
| Logseq | zotero-AI-Butler | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 1.8K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Clojure | TypeScript |
| Last push | 2026-09-30 | 2026-09-28 |
| Forks | ⑂ 2.8K | ⑂ 98 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Logseq if
- You weight community size — 45K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Clojure
- You value the larger contributor base for long-term maintenance
pick zotero-AI-Butler if
- You want the zotero-AI-Butler feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and zotero-AI-Butler fits your workflow better
About Logseq
Logseq is an open source, privacy first knowledge management platform built for local first workflows. It runs as a desktop application and web interface, storing data locally in Markdown or Org mode files, with optional SQLite backed DB graphs for advanced features. The project lives in the Clojure/ClojureScript ecosystem and is licensed under AGPL 3.0.
read the full Logseq overview →
About zotero-AI-Butler
zotero AI Butler is a free, open source Zotero plugin written in TypeScript and licensed under AGPL 3.0 that calls large language models to read the PDFs already sitting in a Zotero library and writes the results back as native Zotero notes, built for researchers, students, and anyone whose "read later" pile has outgrown their reading time.
read the full zotero-AI-Butler overview →
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Frequently asked questions
Is Logseq or zotero-AI-Butler more popular?
Logseq has 45,098 GitHub stars and zotero-AI-Butler has 1,768. Logseq has the larger community by that measure.
Are Logseq and zotero-AI-Butler free?
Both are open source. Logseq is licensed under AGPL-3.0 and zotero-AI-Butler under AGPL-3.0. Neither carries a licence fee.
What is the difference between Logseq and zotero-AI-Butler?
Logseq is written in Clojure and zotero-AI-Butler in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Logseq or zotero-AI-Butler?
Choose Logseq if you want the larger community (45,098 stars) or its AGPL-3.0 licence terms. Choose zotero-AI-Butler if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.