IRedMail

Google Apps is a service that provides independently customisable versions of several Google products under a custom domain name. It features several Web applications with similar functionality to traditional...

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video …

Zimbra Collaboration Suite is an enterprise-class open source email, calendar and collaboration server. With the most innovative web application available today, Zimbra boosts the productivity of users on any...

Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI).

A super sexy, ultra simple desktop mail client built in vala Postler aims to be easy, simple, clean, beautiful, and automagic. It handles IMAP beautifully, and provides the user with …

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols. Exchange is a groupware server designed to work with Microsoft Outlook, and providing...

Alpine is a fast, easy to use email client that is suitable for both the inexperienced email user as well as for the most demanding of power users. Alpine is …

Lotus Notes is a client-server, collaborative application developed and sold by IBM Software Group. IBM defines the software as an "integrated desktop client option for accessing business e-mail,...

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 …

KNode, component of Kontact, is a KDE-application to access Usenet newsgroups and mailing lists. KNode is your usenet mail reader. Features This straight forward, full-featured news reader is provided by …