C
FreemiumConnected Papers
Explore relationships between academic papers.
4.8
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P
FreemiumPerplexity Pro
Pro AI answer engine with sources and Spaces.
4.7
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P
FreemiumPerplexity AI
The answer engine that cites its sources.
4.7
Research & DataVisit
P
FreemiumPaper Digest
AI paper summaries and literature reviews.
4.7
Research & DataVisit
R
FreeResearchRabbit
Visual citation maps for literature discovery.
4.7
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E
FreemiumExplainpaper
Highlight any paper passage and get a plain-English explanation.
4.6
Research & DataVisit
Y
FreemiumYou.com
Privacy-first AI search engine with agents.
4.5
Research & DataVisit
S
FreemiumScholarcy
Summarize research papers into flashcards.
4.5
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S
FreeSemantic Scholar
Free AI search across 200M scientific papers.
4.5
Research & DataVisit
E
FreemiumElicit
AI research assistant for literature reviews.
4.5
Research & DataVisit
U
FreemiumUndermind
Deep-search scientific agent for literature.
4.3
Research & DataVisit
S
FreemiumSciSpace
Chat with PDFs and explore science with AI.
4.2
Research & DataVisit