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  Session Manager 1 Jan 15

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  iMacros for Firefox 23 Jan 15

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  Greasemonkey 1 Jan 15

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  Copy as HTML Link 15 Apr 15

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  Grammarly Lite for Firefox 22 Jan 15

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  Fasterfox Lite 11 Apr 15

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  HTTPS Everywhere for Firefox 11 May 16

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  Firebug 1 Jan 15