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  WOT (Web of Trust) for Firefox 20 Sep 15

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  Forecastfox Weather 15 Apr 15

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  Nautipolis for Firefox 21 Jan 15

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  X-notifier Lite 15 Apr 15

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  SimilarWeb for Firefox 23 Jan 15

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  Easy Screen Shot 21 Jan 15

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  Adblock Plus for Mozilla Firefox 4 Mar 16