Thunderbird 3 beta 3 is now available to download for Windows, Mac, and Linux users. The beta introduces some significant improvements to the open-source desktop client, from performance to interface.

The new beta is built on Mozilla's Gecko 1.9.1.1 platform, keeping it up to date with the latest changes that affect Firefox. Mozilla also claims that there are more than 500 changes in this version, and hints at more alterations to come by stating in a press release that many of them are ''la...

Microsoft on Tuesday released its latest foray into security software as a limited beta. Microsoft Security Essentials, known in development as Morro, is limited to 75,000 downloads in four countries: the United States, Israel, Brazil, and China.

Security Essentials contains all the basic features that users have come to expect from free security software: multiple built-in and customizable scan options, a scheduler, automatic definition file updates, a real-time defense shield, and rootkit...