Semantic search over 4.6 million text chunks from 20,000+ classical philosophy and humanities works (pre-1928). Covers Aristotle, Plato, Kant, Hegel, Nietzsche and hundreds more.
Multilingual: English, German, Latin, French, Italian, Greek, Russian.
Provides free, no-key open-access lookup for scholarly papers via Unpaywall. Enables querying article metadata and open-access status through natural language.
Searches and retrieves academic papers from open access sources like arXiv, Semantic Scholar, and PubMed, with full text access via arXiv PDFs, PubMed Central, and Unpaywall.
Enables scholarly search, paper metadata, citation graphs, author and venue resolution, candidate harvesting, API quota visibility, and guarded full-text downloads through the OpenAlex API.
Provides access to 61 public digital libraries through a single unified interface, enabling users to search and retrieve information from academic papers, books, legal records, and more using natural language.
