Similar items by topic, tags, and provider (metadata-only).
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Use OpenAlex for metadata and citation graph work and arXiv for current papers and technical preprints.
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Open bulk access for research papers across math, physics, CS, etc.
datasetnandumps.wikimedia.org
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Strong encyclopedic backbone for general knowledge and factual style.
datasetnangutenberg.org
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Large library of classic books and long-form prose.
datasetFoundationGoogle
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Search engine for datasets hosted across thousands of repositories on the web.
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Repository for datasets, software, and other research outputs with persistent identifiers and open sharing workflows.
courseZeroOpenStax
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Peer-reviewed, openly licensed textbooks spanning math, science, social science, and more.
courseZeroMIT
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Best structured on-ramp when you want a real class before jumping into specialist material.
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Full university lecture series across CS, math, engineering, neuroscience, physics, robotics, and more.
videoFoundationMIT CSAIL
MIT CSAIL
Teaches shell, editors, version control, automation, debugging, and remote tooling that every contributor needs.
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Papers with Code
Connects papers to code, tasks, benchmarks, and leaderboards so you can move from theory to reproduction.
docsFoundationUNESCO
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Global policy and resource entry point for open educational resources and open learning practice.