Semantic Scholar
Free, AI-powered scientific literature search engine developed by the Allen Institute for AI to index global research.
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Explore, compare, and discover vetted AI tools, products, and experiments.
Connected Papers
Visual exploration tool that builds interactive graphs of related scientific papers based on co-citation and similarity.
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ResearchRabbit
The 'Spotify for academic papers'—an intuitive canvas to map citation networks, follow authors, and get alerts.
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SciSpace
Comprehensive research platform with interactive Copilot to decode complex equations, charts, and technical jargon.
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Scholarcy
Online article summarizer that converts long academic papers and book chapters into structured summary flashcards.
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Litmaps
Literature review software that maps scientific citation networks chronologically and alerts you to newly published research.
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Iris.ai
Enterprise scientific research engine that extracts facts, evaluates hypotheses, and automates systematic literature reviews.
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PaperDigest
AI literature summarizer that provides 3-minute executive summaries of AI and scientific conference papers.
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Afforai
AI research assistant that searches, summarizes, and answers questions across hundreds of scientific papers with verified citations.
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Paperpal
AI grammar, tone, and technical writing checker trained on millions of peer-reviewed journal papers.
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OpenAlex
Free, open catalogue of the world's research system with 250M+ scientific works and citations.
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Arxiv Sanity Preserver
Curated paper discovery and recommendation engine built to filter through daily ArXiv preprints.
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