head to head · open source
Khoj vs Zotero
Khoj has 37,390 GitHub stars, 2,483 forks, 148 open issues and last shipped 2 months ago. Zotero has 15,308 stars, 1,120 forks, 1,600 open issues and last shipped yesterday. Khoj leads on adoption by 144% (37,390 vs 15,308 stars). Khoj is written in Python under AGPL-3.0; Zotero is written in JavaScript under a custom or non-standard licence. Khoj has attracted 7% 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
| Khoj | Zotero | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 15K |
| License | AGPL-3.0 | Custom / other |
| Written in | Python | JavaScript |
| Last push | 2026-08-02 | 2026-09-17 |
| Forks | ⑂ 2.5K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Khoj if
- You weight community size — 37K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- 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 Khoj
Khoj is a self hostable, open source AI second brain written in Python that turns any local or online large language model into a personal research, automation, and agent platform for individuals, small teams, and enterprises that want their documents and queries kept under their own control.
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 Khoj or Zotero more popular?
Khoj has 37,390 GitHub stars and Zotero has 15,308. Khoj has the larger community by that measure.
Are Khoj and Zotero free?
Both are open source. Khoj 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 Khoj and Zotero?
Khoj is written in Python 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, Khoj or Zotero?
Choose Khoj if you want the larger community (37,390 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.