Startup School - How to start a startup, by Y Combinator
Officehours - Connects you with amazing people, for one on one advice
Apply to YC (Y Combinator) - Curated collection of resources for founders applying to YC.
Remotehour - 10x more seamless than Zoom
YC World - Explore Y Combinator companies by country
Wakie - Get Instant phone advice from peers