Crossref
Crossref · Research dissemination
Membership organization that registers DOIs for scholarly content and exposes the metadata through a free public REST API, content negotiation and the paid Metadata Plus service
4 tools
Crossref · Research dissemination
Membership organization that registers DOIs for scholarly content and exposes the metadata through a free public REST API, content negotiation and the paid Metadata Plus service
Google (Chrome DevTools team) · Literature discovery & review
Free scholarly search engine from Google that indexes articles, theses, books and court opinions with citation counts and author profiles
Elsevier · Citation management
Free reference manager from Elsevier with a desktop and web app, PDF annotation, a Web Importer, groups and bundled cloud storage
Allen Institute for AI (Ai2) · Literature discovery & review
Free AI-assisted literature search from Ai2 with an Academic Graph API, recommendations and downloadable datasets of papers, authors and citations
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