Desktop application software to send and receive emails.
The RAND MH Message Handling System. Welcome to the home page for the MH Message Handler, an electronic mail user agent.
Citadel is easy, versatile, and powerful, thanks to its exclusive "rooms" based architecture. The leader in true open source email and collaboration.
An acronym for Gnus Network User Services, a news and mail reader with threading, ratings, self documentation.
Balsa is an e-mail client for GNOME, highly configurable and incorporating all the features you would expect in a robust mail client.
Spark is a fast, smart way to manage your email. The best personal email client. Revolutionary email for teams.
Master your inbox with the most powerful email productivity tools — Email Tracking, Read Later, Send Later & more. All from a simple, unified interface.
Outlook.com is a free, personal email service from Microsoft. Outlook brings all your email, calendar events, and files together so you don't have to.
eM Client is a fully-featured email client with a modern and easy-to-use interface. eM Client also offers calendar, tasks, contacts and chat.
The Nylas APIs power applications with email, calendar, and contacts sync from any inbox in the world.
All-in-one email client communication platform for email, contacts, calendar, apps, task management, video meetings and much more.
Sylpheed is a simple, lightweight, high-function and easy-to-use e-mail software. Sylpheed provides a user interface that can be operated intuitively.