Directory · Research
NotebookLM
Google's source-grounded notebook. Upload docs, chat with them, generate audio overviews.
Best for
Studying PDFs, summarizing sources, personal knowledge bases
Pros and cons
Pros
- Audio Overviews are uncanny good
- Source-grounded answers
- Free
Cons
- Limited to uploaded sources
- Source size caps
- No API
Alternatives
More research tools
Connected Papers
Research · Connected Papers · Israel
Visual tool that builds a similarity graph of related papers from a single seed paper to help explore a research field.
Best for
Getting a visual map of a field from one known paper
Consensus
Research · Consensus · United States
Academic search engine that answers questions from peer-reviewed papers, with a meter summarizing agreement across studies.
Best for
Checking what published research says about a yes/no question
Elicit
Research · Elicit · United States
AI research assistant that finds relevant papers, extracts data into comparison tables, and drafts literature reviews.
Best for
Systematic-review style literature search and data extraction