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

Apple Mail changes the way you interact with your email every day. Mail displays your messages and open email side by side in a widescreen, two-column view. The favorites bar …

Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. …

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, …

Rainlendar is a feature rich calendar application that is easy to use and doesnt take much space on your desktop. The application is platform independent so you can run it …

Sparrow is a minimalist mail application for Mac. It was designed to keep things simple and efficient. No fancy stuff here... just your mail and nothing else. Sparrow supports all …

Org-mode is for keeping notes, maintaining ToDo lists, doing project planning, and authoring with a fast and effective plain-text system. Available also as MobileOrg on iPhone (...

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.

Airmail is a lightweight and lightning fast mail client for Mac. Feature list: Accounts: - Unified Inbox and folders - Multi Account with editable html signatures. - Aliases management with …

You like threaded conversations, googling your inbox, and you prefer labels over folders. You really love Gmail. If yes: You've come to the right place. Continue to use the Gmail …

Address Book provides a flexible and convenient way to store contact information for family, friends, and colleagues online. Because Address Book is integrated with Mail, iChat, and other applications, you …

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 …

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,...

Microsoft announced on August 13, 2009, that Entourage would be replaced by Outlook for Macintosh in the next release of Office for Mac, due in late 2010. Microsoft Entourage was …

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 …

Scribe is a small and fast email client with an intergrated contact database and calendar. It supports all the major internet mail protocols and uses international standards where possible. Scribe...

Quickly see the time until your next meeting from any of your calendars. Click on the button to be taken to your calendar. Update: Version [1.1.0] : Added support for …

TntMPD is a free program for managing your relationships with your ministry partners. Although anyone might find it useful, it is designed specifically for missionaries who raise their own support. …

GyazMail is a email client software for Mac OS X, based on Cocoa framework, simple, easy-to-use with many features.

PreMinder is an easy to use calendar with monthly, two-monthly, week or multi-week views. A handy scrollbar that lets you move through the months of the year. The day view …

iCalViewer displays iCal calendar events as boxes dynamically moving towards a finish line which is now. It can do this on the desktop, in a window, or even over your …