Official website of (one or more of the following):
The Mozilla Foundation
Mozilla Developer Network
Mozdev Community Organization
Good site/Useful, informative/Entertaining/Child friendly
Thunderbird (E-mail-client) and Firefox (Internet browser) are two of the best in their ligue, and the two biggest projects of Mozilla. The best thing about the programs, are the extensions (Add-ons), the users make themselfs for everyone else.
Great project, great site, and all free to use.
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