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Thunderbird is a free and open-source email client available for Linux, Mac, and Windows. The Mozilla Foundation who are also the developers of the Firefox web browser released Thunderbird 1.0 in late 2004.

Thunderbird is a free email application that’s easy to set up and customize – and it’s loaded with great features!


Thunderbird Features: Thunderbird makes email better for you, bringing together speed, privacy and the latest technologies.


Open Source: At the heart of Thunderbird is an open source development process driven by thousands of passionate, experienced developers and security experts spread all over the world. Our openness and active community of experts helps to ensure our products are more secure and quickly updated, while also enabling us to take advantage of the best third party security scanning and evaluation tools to further bolster overall security Thunderbird website.

Next Open Source Tuesday will feature the Ubuntu project.