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Tool
Category
Pricing
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Updated
BASE Search
AI Research
Free
✓
Mar 2026
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Academic search engine indexing 300M+ open access documents from 10,000+ providers.
Best for: research
Kopernio
AI Research
Free
✓
Mar 2026
→
Clarivate browser extension for one-click PDF access to research papers via library links.
Best for: browser-extension