Cakemail - Email marketing and transactional emails that deliver. Try it for FREE!
PersistIQ - It takes multiple touch points before a lead engages. PersistIQ automates the tedious parts while preserving the key human elements of sales
Salesfusion - Salesfusion provides an easy to use marketing automation platform that allows sales and marketing teams to be successful.
Skrapp.io - Skrapp.io is the easiest solution to extract leads from Linkedin. In few seconds, you can find email addresses and launch your email prospecting project.
BizConnector - BizConnector offers marketing and workflow automation solutions to small businesses.
Clearbit - Clearbit provides Business Intelligence APIs