Lens.org

Looking for a tool like Lens.org (Free, open patent and scholarly search covering 330M+ records)? Below are 11 AI tools people use as an alternative to Lens.org, ranked by leaderboard position. Each one is approved by our editors and worth comparing before you decide.

Zotero Free, open-source reference manager with AI metadata extraction

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Undermind AI research agent that follows citation trails, not just keywords

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Semantic Scholar Free AI academic search from the Allen Institute for AI

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SciSpace AI paper reader, formerly Typeset

Aug 17

Scinapse Free AI academic search covering 250 million papers

Aug 17

Productivity Directory Curated directory of AI-powered productivity tools

Aug 17

Perplexity Labs Perplexity's experimental features, including Deep Research

Aug 17

Connected Papers Visual map of how academic papers relate to each other

Aug 17

Explainpaper Highlight a confusing paragraph, get a plain-language explanation

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Iris.ai AI research engine for scientific literature at enterprise scale

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