Learning (143)
Zotero
Zotero is a free, open-source reference manager that collects, organizes and cites research sources, with 300 MB of free cloud storage.
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Starting price Free; extra storage from $20/year
Tool Information
Zotero is a free, open-source reference manager. It saves sources from the web with one click, stores PDFs and notes, and generates citations and bibliographies in word processors. Who it suits: students, researchers and writers who manage many papers and need consistent citations. Pricing: the software is free. Cloud file storage is 300 MB free, with paid tiers of 2 GB for $20 per year, 6 GB for $60 per year and unlimited storage for $120 per year (zotero.org/storage). Group libraries use the group owner’s storage. Things to know: syncing the reference data itself is free; only attached files count toward storage. The 300 MB free tier fills quickly if you attach many PDFs. Last verified: November 2026.
F.A.Q (6)
Zotero is a free, open-source reference manager for collecting, organizing and citing research sources.
Yes. The software is free, and cloud storage includes 300 MB at no cost.
2 GB is $20 per year, 6 GB is $60 per year and unlimited storage is $120 per year, per zotero.org/storage.
Zotero offers word processor integration for inserting citations and bibliographies. Check its documentation for the versions supported.
Yes, through group libraries. Their files count against the group owner’s storage.
Students and researchers who manage many sources and want a free citation workflow.
Pros and Cons
Pros
- Free and open source
- One-click saving from the web
- Citations and bibliographies inside word processors
- Group libraries for collaboration
Cons
- Only 300 MB of free file storage
- Interface feels dated to some users
- Paid storage needed for many PDFs
- Fewer built-in AI features than newer tools
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