Kaggle
kaggle.com
Community platform for datasets, machine learning competitions, and collaborative notebooks.
Kaggle hosts thousands of public datasets, machine learning competitions with real prize money, and a collaborative notebook environment. It is the largest community for data science practice and peer learning.
Why it is useful
Free access to production-quality datasets and GPU-powered notebooks. The competition format produces solutions that regularly advance the state of the art in applied machine learning.
More in Research & Data
Other research & data you might not have heard of.
- Perma.ccHarvard-run tool that creates permanent, citable snapshots of web pages to prevent link rot.
- iNaturalistA community platform for recording and identifying plants, animals and fungi, where photos are reviewed by other naturalists and feed into open biodiversity data.
- arXivAn open-access preprint server for research papers in physics, mathematics, computer science, economics, and related fields — free to read and submit.
- KialoA structured debate platform that maps arguments as visual pro/con trees.
- SciteAn academic research tool that classifies how papers cite each other — distinguishing supporting, contrasting, and mentioning citations — so you can see whether a paper's claims have been confirmed or challenged.
- WeLibMassive online library claiming tens of millions of books and academic papers with direct search for books, articles, magazines, comics, and downloadable formats.