Mozilla has released new and improved version of their very popular email clien Thunderbird as Thunderbird 3. Thunderbird 3 brings with it a lot of new features and an improved looks.

The new Thunderbird 3 brings with it a new tabbed interface. The tabbed interface lets you keep multiple emails opened at the same time in different tabs. Thunderbird also remembers the tabs that were opened when you start it up the next time.

Other than the tabbed interface, Thunderbird 3 also has a new and powerful search with filters and timeline tools. Moreover, the search is also much faster thansk to the new indexing system.

It is available for Linux, Windows and Mac. You can download Thunderbird 3 and view the complete release note here.