entelo - Predictive analytics that help recruiters identify when a candidate will be open to a new job opportunity

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

hireEZ (Formerly Hiretual) - Your Outbound Recruiting Platform.

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

Tomigo - Tomigo is a social recruiting platform that leverages your company's social connections to hire top talent.

Tracxn - data on companies