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  Active Whois Plugin for Firefox 7 Apr 16

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  WOT (Web of Trust) for Firefox 20 Sep 15

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  Mozilla Archive Format 22 Jan 15

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  Awesome Screenshot for Firefox 11 Apr 15

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  Firebug 1 Jan 15

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  ZenMate VPN for Firefox 15 Aug 18

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  Default FullZoom Level for Firefox 11 Apr 15

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  Session Manager 1 Jan 15