Machine Hack - Machine Hack is the Machine Learning competition and assessment platform that makes it easy for data scientists, engineers, and business professionals to learn, compete, and get hired.
Driven Data - DrivenData hosts data science competitions to build a better world, bringing cutting-edge predictive models to organizations tackling the world's toughest problems.
Colaboratory - Free Jupyter notebook environment in the cloud.
International Data Analysis Olympiad (IDAHO) - International Data Analysis Olympiad (IDAHO) is the world’s leading ML and AI-based data science competition and contest platform that is open to students and professionals of all ages and nationalities.
Kaggle - Kaggle offers innovative business results and solutions to companies.
DataHack & DSAT - DataHack & DSAT is a Data hacking competition platform made for Data Scientists that harnesses the potential of experts and solves real-world problems.