✓
Tool
Category
Pricing
Free?
Updated
Zotero ✓
AI Research
Free
✓
Mar 2026
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Free open-source reference manager with browser extension, annotations, and Word integration.
Best for: reference-manager
Kopernio
AI Research
Free
✓
Mar 2026
→
Clarivate browser extension for one-click PDF access to research papers via library links.
Best for: browser-extension