AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.

Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.

Alternative.me - Welcome to alternative.me, the source of better software alternatives. Finding suitable software was never easier.

CB Insights - CB Insights is a company database for the venture capital and corporate development community.

Product Hunt - A website that lets users share and discover new products

Tracxn - data on companies