Startup School 2018 - from Y Combinator is a free online course for startups.
YC World is a map that shows where YC companies are from. It’s based on the location of the founders before applying for YC.
Work at a Startup - from Y Combinator is a common application to apply to hundreds of top startups.
How it works: Applicants fill out an application with their background and experience. Then, Y Combinator-alum companies browse through applications and start a conversation with people they are interested in.
YCensus is basically a work in progress census of Y Combinator startup founders. It's also happens to be an IMDB of YC as well. (NOTE: This is not affiliated with Y Combinator.)
JetPack Data provides data analysis for everybody
JetPack Data provideshe fastest and easiest way to explore and understand your data