Mozilla Thunderbird logo
Mozilla Thunderbird is a free, open source, cross-platform e-mail and news client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. On December 7, 2004, version 1.0 was released, and received over 500,000 downloads in its first three days of release, and 1,000,000 in 10 days.
Mozilla Thunderbird 2009 Xfce4

Mozilla Thunderbird on Debian GNU/Linux

Developed and published by

Mozilla Messaging, Mozilla Foundation

Written in

C++, CSS, JavaScript, XBL, XUL

Runs on

Windows XP, Windows Vista, Windows 7, Linux, Mac OS X, OpenSolaris


MPL/GPL/LGPL tri-license


English (British), English (US), Afrikaans, Albanian, Arabic, Basque, Belarusian, Bulgarian, Catalan, Chinese (Simplified), Chinese (Traditional), Czech, Danish, Dutch, Estonian, Finnish, French, Frisian, Galician, Georgian, German, Greek, Hebrew, Hungarian, Icelandic, Indonesian, Irish, Italian, Japanese, Korean, Lithuanian, Norwegian (Bokmål), Norwegian (Nynorsk), Polish, Portuguese (Brazilian), Portuguese (Portugal), Punjabi, Romanian, Russian, Serbian, Sinhala, Slovak, Spanish (Argentina), Spanish (Spain), Swedish, Tamil (Sri Lanka), Turkish, Ukrainian, Vietnamese

External links


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