Crowd AnalytiX - Crowd AnalytiX is a data science community and a perfect solution for businesses that want to take advantage of AI but don’t have the in-house expertise or resources.
Kaggle - Kaggle offers innovative business results and solutions to companies.
DataSource.ai - Community-funded data science tournaments
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.
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.
Colaboratory - Free Jupyter notebook environment in the cloud.