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

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

Sylpheed runs on many systems s ...

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

Windows 10 has Mail and Calendar apps already built in. With the Mail application you can now easily see all message from your ...

The Bat! is a secure email client software, built to protect your correspondence against third-parties. The Bat! protects your ...

A fully fledged, free email server solution, an open source project (GPL v2).

Use official binary packages from Linux/BSD dist ...

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 ...

Geary is a lightweight email program designed around conversations and built for the GNOME desktop. It's designed to let you r ...

Airmail is a lightweight and lightning fast mail client for Mac.

Feature list: Accounts:

• Unified Inbox and folders
• Multi Acco ...