✓
Tool
Category
Pricing
Free?
Updated
Google Scholar ✓
AI Research
Free
✓
Mar 2026
→
Free Google search engine for scholarly articles, theses, books, and patents worldwide.
Best for: research
Paperpile
AI Research
From $2.99/mo
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Mar 2026
→
Modern reference manager with deep Google Workspace and Google Docs integration.
Best for: reference-manager
Zotero ✓
AI Research
Free
✓
Mar 2026
→
Free open-source reference manager with browser extension, annotations, and Word integration.
Best for: reference-manager
Keenious
AI Research
Freemium
✓
Mar 2026
→
AI that recommends relevant research articles based on your writing and notes.
Best for: research