About Mozilla. orgFounded in 1998, the Mozilla Project is a family of nonprofits and companies that build technology and mobilize communities to advance the vision outlined in the Mozilla Manifesto, our principles for a better internet.

Why Thunderbird? Thunderbird is one of the world’s most trusted open-source email applications, empowering more than 20 million people globally.

Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years.