OpenProject is an open source software for project management with a wide set of features and plugins and an active internatio ...

Postbox is an email application that helps you organize your work life and get stuff done. It has all the elegance and simplic ...

Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), suppor ...

MailMate is an IMAP e-mail client for Mac featuring extensive keyboard control, Markdown supported email composition, advanced ...

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).

Sylpheed runs on many systems s ...

Polymail is the modern email client, redesigned. Master your inbox with the most powerful email productivity tools — Email Tra ...

Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail ...

Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.

Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, ...

Mailbird is a Windows based email client which design and style match Windows 7, 8 and XP’s native styles. Mailbird provides c ...

Apple Mail changes the way you interact with your email every day. Mail displays your messages and open email side by side in ...

Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled ...

eM Client is a full featured email client with a modern and easy to use interface.

• offers calendar, tasks, contacts and even ...

Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computer ...