Mattermark - Ranking 800,000+ high growth Internet companies
Startup Value - Value your startup like a VC in 3 minutes
FundingPath - Tech company valuations visualised
Breakout List - A list of the fastest growing startups
MicroMRR by MicroAcquire - Connect Stripe for a free valuation, and then delve deeper into performance with visual analytics and insights.
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.