Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Helium 10 - Our software contains multiple Amazon seller tools to help you find high ranking keywords, identify trends, spy on competitors, & optimize product listings.
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
Samar Pro Amazon Revenue Calculator - Amazon FBA calculator's fast and easy version by Samar Hanif. Watch the video to know how this calculator makes your business calculations much easier and faster
Tracxn - data on companies
Jungle Scout - Amazon product research made easy.