SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.
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.
Recurrr - Send recurring emails
Litmus - litmus tests and tracks your email campaigns, so you can always put your best design forward.
FollowUpThen - The simplest way to schedule an email reminder
250ok - 250ok offers a SaaS-based platform to monitor and measure the deliverability of email networks.