head to head · open source
Zotero vs fsnotes
Zotero has 15,327 GitHub stars, 1,124 forks, 1,600 open issues and last shipped 3 days ago. fsnotes has 7,497 stars, 578 forks, 2 open issues and last shipped 2 days ago. Zotero leads on adoption by 104% (15,327 vs 7,497 stars). Zotero is written in JavaScript under a custom or non-standard licence; fsnotes is written in Swift under MIT. Zotero has attracted 7% as many forks as stars, fsnotes 8%. fsnotes 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
| Zotero | fsnotes | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 7.5K |
| License | Custom / other | MIT |
| Written in | JavaScript | Swift |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 1.1K | ⑂ 578 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zotero if
- You weight community size — 15K stars and counting
- You want the Custom / other license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick fsnotes if
- You want the fsnotes feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Swift
- You evaluated both and fsnotes fits your workflow better
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 →
About fsnotes
FSNotes is a fast, native Markdown and plain text note taking app for macOS and iOS, written in Swift 5 and released under the MIT licence, built for people who want their notes kept as portable files rather than inside a proprietary database.
read the full fsnotes overview →
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Frequently asked questions
Is Zotero or fsnotes more popular?
Zotero has 15,327 GitHub stars and fsnotes has 7,497. Zotero has the larger community by that measure.
Are Zotero and fsnotes free?
Both are open source. Zotero has no licence declared in this registry, and fsnotes is licensed under MIT. Both are free to self-host.
What is the difference between Zotero and fsnotes?
Zotero is written in JavaScript and fsnotes in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Zotero or fsnotes?
Choose Zotero if you want the larger community (15,327 stars) or its Custom / other licence terms. Choose fsnotes if its feature set, stack or MIT licence fits better. Both are self-hostable.