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