Mozilla Thunderbird 0.1 Released

An anonymous reader submits: The Mozilla Thunderbird (stand-alone Mozilla based mail/news reader) developers have just released their first milestone: version 0.1, available for Mac Linux, Mac OS X and Windows. The v0.1 release notes highlight some of the bigger features like customizable toolbars, UI extensions, contact manager sidebar, simplified UI, 3-pane mail window option, and spell checker. Also of note, Mozilla's usage share has risen from 1.2% in February to 1.6% now, a 33% improvement!"