Similar items by topic, tags, and provider (metadata-only).
datasetBuildphysionet.org
physionet.org
Canonical source for ECG, ICU, waveform, and related biomedical datasets.
datasetBuildopenneuro.org
openneuro.org
Best open hub for MRI/EEG/MEG/iEEG style data.
datasetfoundationMIT
MIT
Excellent lecture notes, exams, and videos across advanced technical topics.
datasetnandumps.wikimedia.org
dumps.wikimedia.org
Strong encyclopedic backbone for general knowledge and factual style.
datasetUCI
UCI
Classic and modern ML datasets that are ideal for education, benchmarking, and tabular experiments.
datasetnanHugging Face
Hugging Face
Top open code corpus; huge language coverage.
datasetnanpmc.ncbi.nlm.nih.gov
pmc.ncbi.nlm.nih.gov
Millions of full-text biomedical articles under reuse-friendly licenses.
datasetnanstorage.googleapis.com
storage.googleapis.com
Large supervised vision dataset with labels, boxes, masks, relations, narratives.
datasetNASA
NASA
NASA metadata portal for open datasets spanning science, aeronautics, Earth, and exploration.
datasetnanopenslr.org
openslr.org
Classic open English speech corpus.
datasetnancvlibs.net
cvlibs.net
Best open autonomy perception benchmark family.
datasetHugging Face
Hugging Face
Massive public dataset hub spanning NLP, code, vision, audio, robotics, and benchmarks.