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  Cocoon for Firefox 3 May 15

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  WOT (Web of Trust) for Firefox 20 Sep 15

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  Fasterfox Lite 11 Apr 15

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  FoxLingo 15 Apr 15

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  Firefox Preloader 11 Jul 15

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  Adblock Plus for Mozilla Firefox 4 Mar 16

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  ZenMate VPN for Firefox 15 Aug 18

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  AdF.ly Skipper 25 Jan 15