Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Finmark - Financial planning software for startups
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
Financial Model - Financial Model for Planning, Launching, or Running Startups
Tracxn - data on companies
EnterpriseReady - A guide to building the SaaS features that enterprises love.