Mailmeteor - Send hundreds of personalized emails with Gmail.

Workday - Workday is an on‑demand financial management and human capital management software solution.

Mailazy - Modern Email Delivery API

Paylocity - Paylocity has revolutionized the industry and has quickly become the leading independent provider of online payroll services and HR solutions.

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!

Paycom - Paycom is a Human Capital Management system that helps companies manage the complete employment life cycle, from recruitment to retirement.