Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
MakeBizCards - Easy to use web-app for designing your own business card.
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
ContactPass - Create Apple Wallet business card passes in seconds.
Tracxn - data on companies
Business Card Designer - Business Card designer program allows you to design your own legit and trendy business visiting cards easily.