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  FireFTP 1 Jan 15

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  WOT (Web of Trust) for Firefox 20 Sep 15

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  WebMail Ad Blocker for Firefox 15 Apr 15

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  Evernote Clearly 15 Apr 15

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  IE Tab for Firefox 1 Jan 15

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  HTML Validator (based on CSE HTML Validator) 21 Sep 15

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  Mozilla Lightning 25 Jan 15

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  Highlighted Text To File 11 Apr 15