Mattermark - Ranking 800,000+ high growth Internet companies
TLDR Options - Guesstimate the possible value of startup options
Breakout List - A list of the fastest growing startups
Startup Value - Value your startup like a VC in 3 minutes
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Founderfit by Koble - See how you compare to VC-backed founders.