head to head · open source
AppFlowy vs Zotero
AppFlowy has 76,797 GitHub stars, 6,023 forks, 1,030 open issues and last shipped 3 days ago. Zotero has 15,308 stars, 1,120 forks, 1,600 open issues and last shipped yesterday. AppFlowy leads on adoption by 402% (76,797 vs 15,308 stars). AppFlowy is written in Dart under AGPL-3.0; Zotero is written in JavaScript under a custom or non-standard licence. AppFlowy has attracted 8% as many forks as stars, Zotero 7%. Zotero 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
| AppFlowy | Zotero | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 15K |
| License | AGPL-3.0 | Custom / other |
| Written in | Dart | JavaScript |
| Last push | 2026-09-15 | 2026-09-17 |
| Forks | ⑂ 6.0K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AppFlowy if
- You weight community size — 77K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Dart
- You value the larger contributor base for long-term maintenance
pick Zotero if
- You want the Zotero feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches JavaScript
- You evaluated both and Zotero fits your workflow better
About AppFlowy
AppFlowy is an open source collaborative workspace platform that combines note taking, project management, wikis, and AI features into a single interface. It runs as a desktop and mobile application and supports self hosting, built with Flutter for the frontend and Rust for the backend. AppFlowy lives in the productivity and knowledge management ecosystem, positioned explicitly as a Notion alternative.
read the full AppFlowy overview →
About Zotero
Zotero is a free tool for research sources. It lives in the JavaScript application ecosystem and is listed under Productivity & Utilities / Note Taking & Knowledge Management. The provided GitHub metadata reports 15,272 stars, 1,117 forks, 1,600 open issues, 0 contributors, a repository age of 0 years, and a last push timestamp of 2026 09 14T16:40:51Z. The homepage is https://www.zotero.org, and no topics are listed. The license field is NOASSERTION.
read the full Zotero overview →
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Frequently asked questions
Is AppFlowy or Zotero more popular?
AppFlowy has 76,797 GitHub stars and Zotero has 15,308. AppFlowy has the larger community by that measure.
Are AppFlowy and Zotero free?
Both are open source. AppFlowy is licensed under AGPL-3.0, and Zotero has no licence declared in this registry. Both are free to self-host.
What is the difference between AppFlowy and Zotero?
AppFlowy is written in Dart and Zotero in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, AppFlowy or Zotero?
Choose AppFlowy if you want the larger community (76,797 stars) or its AGPL-3.0 licence terms. Choose Zotero if its feature set, stack or Custom / other licence fits better. Both are self-hostable.