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  WOT (Web of Trust) for Firefox 20 Sep 15

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  FEBE 16 Apr 15

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  Lightbeam 1 Jan 15

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  PhProxy-InBasic 21 Sep 15

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  Google Advanced Operations Toolbar 21 Sep 15

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  FoxFilter 4 May 15

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  Grammarly Lite for Firefox 22 Jan 15

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  Greasemonkey 1 Jan 15