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  Enigmail 25 Jan 15

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  Ecosia 31 Dec 14

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  AnonymoX 5 Nov 14

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  Tamper Data 9 Jul 15

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  HTTPS Everywhere for Firefox 11 May 16

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  CLEO 6 May 15

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  Ghostery (for Firefox) 14 Feb 15

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  DeeperWeb for Google 6 May 15