Stripo - Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.
Mailu - Mailu is a simple yet full-featured mail server as a set of Docker images.
MJML - The open source framework for responsive emails
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
BeeFree.io - Bee is MailUp's drag-&-drop editor for responsive design emails.
MailEnable - MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.