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2.arkenfox / user.jsFirefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardeningprivacyfirefoxsecuritysettingsanti-fingerprintingarkenfox+2 moreJavaScriptMIT13K total557 forks+106 starsfrom 12,842 · score 4.67
3.yokoffing / BetterfoxFirefox user.js for optimal privacy and security. Your favorite browser, but better.firefoxanti-trackingmozillaprivacysecuritysettings+5 moreJavaScriptMIT11K total258 forks+95 starsfrom 10,867 · score 4.56
4.mozilla-mobile / firefox-iosFirefox for iOSswiftbrowserios-appfirefoxmozillaSwiftMPL-2.013K total3.3K forks+25 starsfrom 13,043 · score 3.26
5.mozilla / zilla-slabMozilla's Zilla Slab Type FamilymozillawebfontswebfonttypographyShellOFL-1.1461 total28 forks+3 starsfrom 458 · score 1.39