Sylpheed is described as 'Simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA)' and is a popular Email Client in the office & productivity category. There are more than 25 alternatives to Sylpheed for a variety of platforms, including Windows, Linux, Mac, Android and Flathub apps. The best Sylpheed alternative is Thunderbird, which is both free and Open Source. Other great apps like Sylpheed are Betterbird, Microsoft Outlook, Evolution and Claws Mail.
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.
NeoMutt is a command-line mail reader. It's a version of Mutt with added features.
SolMail is a powerful e-mail client that helps you to manage all of your e-mail accounts & messages in one app!
South Korea
Historically, Icedove was a re-branding of Thunderbird by the Debian project, with minimal modifications, in order to resolve branding disputes. Debian since discontinued Iceweasel in February of 2017 after reaching an agreement with Mozilla over the use of it's trademark.
Balsa is an e-mail client for GNOME, highly configurable and incorporating all the features you would expect in a robust mail client.
Clyton is an email client with advanced security and spam filtering features. Although priced for the general public, Clyton possesses the reliability and security required by businesses.
United States
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.
Experimental terminal mail client aiming for configurability and extensibility with sane defaults.
EmailTray is a smart email client and an email notifier for POP3 and IMAP email accounts, including Gmail, Hotmail, Yahoo mail and AOL. EmailTray intelligently ranks messages, prioritizes them into 4 Inboxes and alerts you only to the most important.
Germany
EU
Navigate messages with zooms and swipes across your messages.
Turn your email into colorful, visual tiles you can explore with your fingers or mouse. Rich 3D visualizations and familiar gestures make TouchMail the fastest and easiest way to keep your inbox clean and keep import.
United States
United Kingdom
Paraguay
