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  Grammarly Lite for Firefox 22 Jan 15

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  FEBE 16 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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  ScrapBook for Firefox 11 Apr 15

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  Default FullZoom Level for Firefox 11 Apr 15

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  WOT (Web of Trust) for Firefox 20 Sep 15

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  miniFox 21 Sep 15