Similar items by topic, tags, and provider (metadata-only).
datasetfoundationMIT
MIT
Excellent lecture notes, exams, and videos across advanced technical topics.
datasetUCI
UCI
Classic and modern ML datasets that are ideal for education, benchmarking, and tabular experiments.
datasetnangutenberg.org
gutenberg.org
Large library of classic books and long-form prose.
datasetnanopenslr.org
openslr.org
Classic open English speech corpus.
datasetnanHugging Face
Hugging Face
Synthetic textbook/blog/WikiHow-style corpus that helps tutor-like explanations.
datasetnanHugging Face
Hugging Face
Best legally cleaner starting corpus: 8 TB of public-domain and openly licensed text spanning books, papers, code, encyclopedias, educational materials, and transcripts.
datasetqiskit.org
qiskit.org
Access: open. Quantum circuits/data
datasetfoundationopenstax.org
openstax.org
Open textbooks across core STEM and humanities subjects.
datasetnptel.ac.in
nptel.ac.in
Access: open. Free engineering courses including EE
datasetwebbook.nist.gov
webbook.nist.gov
Access: open. Thermochemical/spectral/reference data (energy transfer + materials)
datasetnasa.gov
nasa.gov
Access: open. Practical systems engineering reference
datasetbuildNASA
NASA
Classic bearing vibration dataset for predictive maintenance / fault diagnosis.