Mozilla is a free software community best known for producing the Firefox web browser. The Mozilla community uses, develops, spreads and supports Mozilla products and works to advance the goals of the Open Web described in the Mozilla Manifesto. The community is supported institutionally by the Mozilla Foundation and its tax-paying subsidiary, the Mozilla Corporation.
In addition to the Firefox browser, Mozilla also produces Firefox Mobile, the Firefox OS mobile operating system, the bug tracking system Bugzilla and a number of other projects.