Jovian - Learn Data Science and ML with free hands-on online courses
Museum of Websites - Curated gallery of how internet companies changed over time
Chat Bots Weekly - A weekly curation of everything important in chat bots
Endangered Sounds Museum - Nostalgic sounds from the past
Best of Machine Learning - A collection of the best resources in Machine Learning & AI
Mixergy - The YC Stories - How YC companies - Airbnb, Dropbox and more - Got Started