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  Cocoon for Firefox 3 May 15

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  Twitter App 22 Jan 15

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  NetVideoHunter 27 Apr 18

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  HTTPS Everywhere for Firefox 11 May 16

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  Live HTTP Headers 7 May 15

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  Coogle 14 Jul 15

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  Ghostery (for Firefox) 14 Feb 15

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  OutWit Docs 26 Jan 15