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Perplexity
Elicit
Semantic Scholar
Connected Papers
SurfSense
ResearchFree4.0
Connect any LLM to your internal knowledge sources and chat with it in real time alongside your team. SurfSense is an open source alternative to NotebookLM, built for enterprise AI search and knowledge management.
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Perplexity AI unlocks the power of knowledge with information discovery and sharing. It is an "answer engine" that provides accurate, trusted, and real-time answers to any question.
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AI-powered academic search. Free, with citation graphs and summaries.
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Visual graph of related papers. Explore literature from one seed paper.
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