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  About:addons-memory for Firefox 25 Jan 15

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  FVD Speed Dial with Full Online Sync 21 Jan 15

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  BlogEverywhere Blogbar for FireFox 1.5+ 23 Sep 15

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  SapLogon Tool 21 Sep 15

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  WOT (Web of Trust) for Firefox 20 Sep 15

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  Game-Station toolbar 13 Jul 15

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  RDF Viewer 21 Sep 15

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