Google Dataset Search
Meta-search across millions of datasets on the web with schema.org-powered indexing.
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Open Images Dataset
Large-scale annotated image dataset with boxes, masks, relationships, and more.
doccano (OSS)
Open-source text annotation for classification, NER, and seq2seq tasks.
Kaggle Datasets
Community-driven repository of datasets with notebooks, discussions, and trending signals.
LAION-5B
Massive open image–text dataset (multilingual) widely used for generative models.
Ollama Library (for local label assist & synthetic data)
Run open-weight LLMs locally to assist labeling or generate synthetic datasets.
Hugging Face Datasets Hub
Huge catalog of ML-ready datasets with cards, viewers, and the 🤗 Datasets library.
Roboflow Universe
Huge community hub of computer-vision datasets and pre-trained models.
Google Cloud Public Datasets
Curated, analysis-ready public datasets hosted on Google Cloud/BigQuery.