Evolution

Outlook, part of the Microsoft Office suite, is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.

eM Client is a Windows based email client, supporting calendars, contacts and tasks. It supports POP3 and IMAP4 servers as well as chat protocols (e.g. XMPP). Skype is supported as …

Based on Thunderbird but Postbox is not open source. "A new way to work with email Postbox offers powerful new ways to find, use, and view email messages and content, …

The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet application suite. RAM-demand similar to Firefox . Such a software suite was previously made popular by Netscape …

Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports POP3 and IMAP, newsgroups as well as Atom and RSS feeds. Opera …

Windows Live Mail (formerly named Windows Live Mail Desktop) is a freeware email client from Microsoft. It is the successor to Outlook Express on Windows XP and Windows Mail on …

Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration, intuitive operation Abundant features ...

EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications. PIM stands for Personal Information Manager, and it...

The shareware e-mail client has been developed by a Moldavian company. The Bat supports IMAP and POP3 and has integrated S/MIME as well as PGP and supports external GPG. The …

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). Sylpheed runs on Unix-like systems such as Linux, BSD, and Mac OS X. It also supports Windows. …

The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud, yet having …

Banckle Email is a business email solution supporting multiple protocols, video email, text and video chat. Considering your business needs, the email communications are SSL secured and its advanced search...

Mutt is a small but very powerful text-based mail client for Unix operating systems.

KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts,...

Mailbird is a Windows based email client which currently only supports Gmail and Google Apps mail accounts. The current free version of Mailbird is adding a signature with a link …

Supports both bittorrent protocol and a friend-to-friend version of the same protocol which in most situations makes you anonymous.

Inbox2 is a premium connected lifestyle application that brings communication - and the people you communicate with - into a single, synchronized application that is accessible everywhere. The innovative email...

Simple Mail is a mail client for Firefox. It allows you to get notified, read and write messages for multiple email accounts inside Firefox. Usage: Configure one or more accounts …

Wyzo is an awesome new browser that optimizes your online media experience. It will accelerate your web downloads, let you download torrents with a single click, discover media in your …

Advertising-supported email client for the Microsoft Windows operating system by IncrediMail Ltd. that offers the ability to add e-mail backgrounds, Emoticons, Ecards, Sounds, Animations, and 3D effects from...

GreenBrowser is a free web browser based on Internet Explorer 's core. GreenBrowser is claimed to be open source software, although this is inconsistent with it being based upon Internet …

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

Popcorn is a lightweight and portable e-mail client for Windows. The Popcorn e-mail client is no longer actively developed, updated or supported by Ultrafunk in any way.

Mulberry is a powerful, easy to use electronic mail (email) and calendar program that allows you to send, access, and manage email and calendars. Mulberry also helps you manage other …

TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.). Features: Spell checking in nine languages, HTML and plain text messages,...