MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.