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 ...

K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configura ...

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

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

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 ...

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 ...

Smart Inbox automatically detects if an email is personal, a notification or a newsletter and groups it with similar emails fo ...

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

Feature list: Accounts:

• Unified Inbox and folders
• Multi Acco ...