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!
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Elevatr Email Marketing Automation - Fast and easy email marketing software
NEWOLDSTAMP - Email signature generator
SendFox - Create automated newsletter campaigns with an affordable email marketing solution
Sigstr - Email signature marketing