Calypso Alternatives

Thunderbird is a free, open-source, cross-platform email, news and instant messaging client. The project strategy is modeled after Mozilla Firefox. Features:Free,Open,Source,Mac,Windows,Linux,BSD,

To manage as part of the Microsoft Office Suite, Outlook E-Mail, calendar, contacts, and tasks from the personal information manager that allows you. Features:Freemium,Mac,Windows,Web,Android,iPhone

Postbox helps you do things and to organise the life of an e-mail application. Elegance and simplicity of Apple Mail, but with more power Features:Commercial,Mac,Windows

Claws Mail-and News-Reader), GTK+ - based, this is a fast reaction with an elegant e-mail client interface, simple configuration and advanced Features:Free,Open,Source,Windows,Linux,BSD

Sylpheed (mail carrier, easy, light and simple, but faturafull E-Mail client. For example, Windows, Linux, BSD, Mac OS X and Sylpheed runs on many systems, Features:Free,Open,Source,Mac,Windows,Linux,BSD,

The Bat! Secure e-mail client software was built to protect your correspondence against third-parties. . Features:Commercial,Windows,S/MIME,OpenPGP

KDE Kontact is the integrated personal information manager. The KDE Kontact, the PIM suite, which combines Mature and proven in applications all under one roof. Thanks to the powerful Features:Free,Open,Source,Windows,Linux

There are E-Mail and calendar apps in Windows 10 is already integrated. With the Mail app, now you can easily see every message that comes Features:Free,Windows,Windows,S

People @an e-mail, you allow for the Indian Webmail service.we E-mail account. Cloud-based input and multiple-entry system gives you secure access Features:Free,Web

(GPL) v2 " full-fledged, free email server solution, an open-source project. The i386 and x86_64, Linux/BSD distributions use the official binary packages Features:Free,Open,Source,Linux,BSD,Self-Hosted

Foxmail for Windows-systems, English and Chinese free POP3 and IMAP4 e-mail client. Features:Free,Windows

Windows-based operating systems on a wide range of nPOPuk is an ultra-small, but comprehensive, e-mail client Features:Free,Open,Source,Windows,Windows,Mobile

IncrediMail Ltd. in the ad-supported E-Mail client for the Microsoft Windows operating system. e-mail provides the ability to add backgrounds, Emoticons, Ecards, Audio Features:Free,Personal,Windows

Pegasus Mail on a computer in the local network or suitable for use by single or multiple users, a free, standards-based electronic mail client. Features:Free,Windows

Webmail use your E-mail on the web by the application. Mail2web.com by using the service you can check your email anywhere with webmail. No Registration Features:Free,Web