head to head · open source
Zotero vs saber
Zotero has 15,847 GitHub stars, 1,174 forks, 1,600 open issues and last shipped 2 days ago. saber has 5,011 stars, 421 forks, 401 open issues and last shipped 2 days ago. Zotero leads on adoption by 216% (15,847 vs 5,011 stars). Zotero is written in JavaScript under a custom or non-standard licence; saber is written in Dart under GPL-3.0. Zotero has attracted 7% as many forks as stars, saber 8%. 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
| Zotero | saber | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 5.0K |
| License | Custom / other | GPL-3.0 |
| Written in | JavaScript | Dart |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 1.2K | ⑂ 421 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zotero if
- You weight community size — 16K 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 saber if
- You want the saber 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 saber fits your workflow better
About Zotero
Zotero ====== Zotero is a free, easy to use tool to help you collect, organize, cite, and share your research sources. Please post feature requests or bug reports to the Zotero Forums. If you're having trouble with Zotero, see Getting Help. For more information on how to use this source code, see the Zotero documentation.
read the full Zotero overview →
About saber
Saber [ ][google play] [ ][f droid] [ ][app store] [ ][download windows] [ ][flathub] [ ][download appimage] English čeština Deutsch 中文 (简体中文, 中国) 中文 (繁體, 台灣) العربية Tiếng Việt Saber is the notes app built for handwriting. It's designed to be as simple and intuitive as possible, while still delivering unique features that you'll actually use. Additionally, Saber is available across all your devices, large and small, and syncs between them seamlessly. Notably, it can invert your notes when you're in dark mode. This allows you to write with white ink on a black background, which is much easier on the eyes in low…
read the full saber overview →
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Frequently asked questions
Is Zotero or saber more popular?
Zotero has 15,847 GitHub stars and saber has 5,011. Zotero has the larger community by that measure.
Are Zotero and saber free?
Both are open source. Zotero has no licence declared in this registry, and saber is licensed under GPL-3.0. Both are free to self-host.
What is the difference between Zotero and saber?
Zotero is written in JavaScript and saber 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, Zotero or saber?
Choose Zotero if you want the larger community (15,847 stars) or its Custom / other licence terms. Choose saber if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.