Alternatives · AI Research
Zotero alternatives
As of Nov 12, 2026, the highest-graded Zotero alternative is Paperguide (2.6 GPA). It's also the best free one.
Zotero compared with 4 alternatives: Mendeley, Paperguide, Anara and Keenious.
Zotero has a free plan. Paid plans start at $20 per year for 2 GB of file storage. All 4 alternatives are free or have a free plan.
Listings checked up to Nov 12, 2026 · Where the facts come from
Black Friday: is there a Zotero sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| ZoteroThis tool | Free plan · from $20/yr | Yes | macOS, Windows, Linux, iOS, Android |
| Mendeley | Free plan · from $26/mo | Yes | Web |
| Paperguide | Free plan · from $12/mo | Yes | Web, Browser extension |
| Anara | Free plan · from $8/mo | Yes | Web, macOS, iOS, Browser extension |
| Keenious | Free plan · from $10/mo | Yes | Web |
Price against what you get
Zotero starts at $1.67 a month when paid by the year and scores 2.3 out of 4 on features, ease of use and platforms. None of the 4 alternatives on this chart both scores higher and starts lower.
Paperguide, Anara and Keenious score higher without starting lower.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from Zotero
Mendeley
Reference manager from Elsevier, with paid AI add-ons
- Mendeley starts at $26 per month, billed annually ($32 billed monthly).
- Mendeley also lists a web app.
- Mendeley lists no macOS, Windows, Linux, iOS and Android apps, which Zotero has.
- Mendeley also covers chat assistant.
- Mendeley does not cover web clipper and file sync, which Zotero does.
Suits: Researchers who want a free reference manager with 2 GB of storage
Paperguide
AI research platform for literature and systematic reviews
- Paperguide starts at $12 per seat / month, billed annually ($8 with the academic discount).
- Paperguide also lists a web app and a browser extension.
- Paperguide lists no macOS, Windows, Linux, iOS and Android apps, which Zotero has.
- Paperguide also covers chat assistant, AI search, AI agents and long-form writing.
- Paperguide does not cover web clipper, highlights and file sync, which Zotero does.
Suits: Teams running systematic reviews that need documented screening decisions
Anara
AI research assistant that cites the exact source passage
- Anara starts at $8 per seat / month, billed yearly ($10 billed monthly).
- Anara also lists a web app and a browser extension.
- Anara lists no Windows, Linux and Android apps, which Zotero has.
- Anara also covers chat assistant, AI search and AI agents.
- Anara does not cover highlights and file sync, which Zotero does.
Suits: Researchers who want answers grounded in their own library of papers
Keenious
Academic search that recommends papers from your own text
- Keenious starts at $10 per month, billed annually ($20 billed monthly).
- Keenious also lists a web app.
- Keenious lists no macOS, Windows, Linux, iOS and Android apps, which Zotero has.
- Keenious also covers chat assistant and AI search.
- Keenious does not cover web clipper, highlights and file sync, which Zotero does.
Suits: Students looking for sources that match a draft essay or assignment
Limits worth knowing in Zotero
- Only 300 MB of file storage is free; larger PDF collections need a paid storage plan.
- The pages read for this entry describe no built-in AI chat or summarizing feature.
- Paid plans buy storage only; every feature of the app is already in the free version.
Common questions
What are the alternatives to Zotero?
The alternatives to Zotero in this directory are Mendeley, Paperguide, Anara and Keenious. Each one has a side-by-side comparison with Zotero.
Is there a free alternative to Zotero?
Yes. Mendeley, Paperguide, Anara and Keenious have a free plan alongside paid ones.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.