Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
UI Playbook - The documented collection of UI components
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
Global Predictions PortfolioPilot - Intelligent portfolio management for self-directed investors
Tracxn - data on companies
GrowthHackList - 100+ curated growth hacks for makers + early stage startups