BitsLeader - Bitsleader is an automated portfolio management tool that is designed for people who can't afford to look at the market 24/7. bitsleader allows them to sleep peacefully. whether it's a long-term investor or short-term.
Startup School - How to start a startup, by Y Combinator
CoinView - All-in-one cryptocurrency investment portfolio management app.
Y Combinator Companies - Interactive list of all 1000+ YC companies
CoinCap.io - Shows the prices of different cryptocurrencies from ShapeShift.
Y-Combinator - Y Combinator provides seed funding for startups.