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  IE Tab for Firefox 1 Jan 15

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  Fasterfox Lite 11 Apr 15

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  Adblock Plus for Mozilla Firefox 4 Mar 16

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  miniFox 21 Sep 15

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  iMacros for Firefox 23 Jan 15

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  OutWit Docs 26 Jan 15

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  WebMail Ad Blocker for Firefox 15 Apr 15

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  About:addons-memory for Firefox 25 Jan 15