Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
Y Combinator Companies - Interactive list of all 1000+ YC companies
Elpha - The most powerful network for women in tech.
Apply to YC (Y Combinator) - Curated collection of resources for founders applying to YC.
Makerlog - Makerlog is the dead-simple task log that helps you stay productive and ship faster.
Startup School - How to start a startup, by Y Combinator