Google Scholar
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
ProprietaryFreeNov 2, 2026
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5 tools
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Hoppscotch
Hoppscotch · API development & tooling
Open-source API client that runs in the browser or as a desktop app, supports REST, GraphQL and realtime protocols, and can be self-hosted for teams
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
Mendeley
Elsevier · Citation management
Free reference manager from Elsevier with a desktop and web app, PDF annotation, a Web Importer, groups and bundled cloud storage
ProprietaryFreeLocalNov 2, 2026
Wayback Machine
Internet Archive · Web archiving
The Internet Archive's public web archive for browsing historical snapshots of web pages, with Save Page Now, Availability, CDX and Memento APIs
ProprietaryFreeNov 2, 2026
Zotero
Corporation for Digital Scholarship · Citation management
Free, open-source reference manager with browser connectors, word-processor plugins, a PDF reader, group libraries and optional paid file storage
AGPL-3.0-onlyFreeOpen sourceLocalNov 2, 2026
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