DevDocs
devdocs.io
One fast search box across a hundred API references, usable offline
No sign-upOn device
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devdocs.io
One fast search box across a hundred API references, usable offline
datasetsearch.research.google.com
Finds published datasets across repositories, governments and journals
scholar.google.com
Searches academic papers and shows who has cited each one since
copilot.microsoft.com
Web-grounded assistant that answers with numbered links you can open
perplexity.ai
Answers a question by searching the web and footnoting every claim
Cuts across
A tag is orthogonal to the category tree — that is what makes it worth having.