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  Grammarly Lite for Firefox 22 Jan 15

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  Optimal Access 7 Apr 16

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  Ghostery (for Firefox) 14 Feb 15

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  LessChrome HD for Firefox 7 May 15

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  SEO Toolbar by Moz 31 Dec 14

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  About:addons-memory for Firefox 25 Jan 15

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  Wappalyzer 15 Apr 15

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  FEBE 16 Apr 15