Mailmeteor - Send hundreds of personalized emails with Gmail.
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
Email on Acid - We make the send button safer. For every campaign, every message, and every inbox, Email on Acid has the time-saving tools you need to put your best email forward.
Owler - Owler is a crowdsourced data model allowing users to follow, track, and research companies.