DataSource.ai - Community-funded data science tournaments
Nomad List - Find the best place to ❤️ live, 👩💻 work, and 💃 play
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.
PlansMatter - Find and stay in homes designed for architecture lovers 🏡
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.
Airbnb - Book unique places to stay and things to do.