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Semantic Scholar
Free search engine with over 200 million academic papers. Shows AI summaries of each paper and tracks citations.
The best place to start finding foundational papers on any topic.
Consensus
Ask direct questions like "Does intermittent fasting improve focus?" and get answers only from peer-reviewed papers with a Consensus Meter.
A goldmine for validating hypotheses.
ResearchRabbit
Called "Spotify for Papers". Upload one paper and it creates a visual map of related papers. Also sends alerts for new papers.
Connected Papers
Shows the entire landscape of a topic in one graph. Instantly understand which papers are central and which build upon them.
SciSpace
Its Copilot feature is a game changer. Highlight any line you don't understand and it explains it in simple language.
The free tier is very generous.
NotebookLM
Google's completely free tool. Upload all your papers and ask any question — answers come only from your sources.
It can even create an audio podcast from your reading list.
Zotero
Free and open-source reference manager. Save papers with one click and automatically generate perfect citations & bibliographies.
Say goodbye to manual reference management.