Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
RGB Technologies - Email Scheduler - Email Scheduler provides an intuitive email scheduling solution, integrated within the existing Salesforce account.
Litmus - litmus tests and tracks your email campaigns, so you can always put your best design forward.
SndLatr - SndLatr is a Gmail plugin that makes it easy to schedule emails to be sent automatically at a later time.
Return Path - Inbox placement solutions from Return Path helps improve email deliverability and increases email marketing ROI.
Right Inbox - Schedule Emails in Gmail To Be Sent Later