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  FoxLingo 15 Apr 15

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  Fasterfox Lite 11 Apr 15

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  Cliqz 20 Jan 15

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  HTTPS Everywhere for Firefox 11 May 16

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  FoxFilter 4 May 15

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  SimilarWeb for Firefox 23 Jan 15

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  Amazon S3 Firefox Organizer(S3Fox) 21 Sep 15