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  Grammarly Lite for Firefox 22 Jan 15

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  Adblock Plus for Mozilla Firefox 4 Mar 16

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  Easy Screen Shot 21 Jan 15

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  Modify Headers 5 May 15

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  CoolPreviews for Firefox 11 Apr 15

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  DeeperWeb for Google 6 May 15

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  DownThemAll 1 Jan 15

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  Session Manager 1 Jan 15