Microsoft Outlook Alternatives
Eudora and Mozilla Thunderbird are both great alternative software programs to Microsoft’s Outlook. Mozilla Thunderbird is my personal preference as users can increase Thunderbird’s functionality and appearance using hundreds of add-ons.

Digsby
Digsby is a multiprotocol IM client that lets you chat with all your friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber with one simple to manage buddy list. Also features email notification tool and social networking tool that alerts you of events like new messages and gives you a live Newsfeed of what [...]