The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, c ...

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 ...

Canary is an exciting new email client for Mac that offers a full set of powerful features with one key difference - your emai ...

nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of Windows-based operating systems

KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information ...

Pantheon Mail is a free open source email client forked by the elementary OS community from Geary .

Features Modern and strai ...

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 ...

Fast, good looking email client. Lighter than MS Outlook with some unique and clever features. You can use Hiri to connect to ...

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 ...

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, ...

EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices ...

Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic ...

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 ...