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  Active Whois Plugin for Firefox 7 Apr 16

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  Ecosia 31 Dec 14

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  DownThemAll 1 Jan 15

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  AdBlock Video 6 May 15

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  Adblock Plus for Mozilla Firefox 4 Mar 16

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  YouTube Control Center 30 Dec 14

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  Grammarly Lite for Firefox 22 Jan 15

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  miniFox 21 Sep 15