Startup Value - Value your startup like a VC in 3 minutes
Mattermark - Ranking 800,000+ high growth Internet companies
Breakout List - A list of the fastest growing startups
Ennerate - Automated business valuations for 'Main Street' companies
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Startup Valuation Nest - Check startup valuations and multipliers in your industry