sup is described as 'Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code insertion via a hook system, and more' and is a Email Client in the office & productivity category. There are more than 25 alternatives to sup for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best sup alternative is Thunderbird, which is both free and Open Source. Other great apps like sup are Microsoft Outlook, Evolution, Zoho Mail and eM Client.
Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.
The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.
United States
Eudora started in 1988, at the University of Illinois because the internet was a growing and burgeoning place, but email was not really established on the desktop computers that people were using at the time.
An enterprise application server that integrates information into a single workspace, integrates also a full mail server
India
Experimental terminal mail client aiming for configurability and extensibility with sane defaults.
Mulberry is a powerful, easy to use electronic mail (email) and calendar program that allows you to send, access, and manage email and calendars. Mulberry also helps you manage other related information, such as contact information.
United States
Notmuch is a system for indexing, searching, reading, and tagging large collections of email messages. It uses the Xapian library to provide fast, full-text search of very large collection of email with a very convenient search syntax.
GyazMail is a email client software for Mac OS X, based on Cocoa framework, simple, easy-to-use with many features.
Japan
NeoMutt is a command-line mail reader. It's a version of Mutt with added features.
Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that you can run Koma-Mail from your flash drive but, of course, also on your desktop.
Germany
EU
United Kingdom
