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  Crawler Toolbar with Web Security Guard for Firefox 10 Jul 15

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  Readability 15 Apr 15

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  Tab Score 21 Sep 15

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  2006 Netmite Communities FireFox Extension 24 Oct 15

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  Crestfallen Unofficial Toolbar 23 Sep 15

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  Sothink Flash Downloader for Firefox 5 May 15

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  FireFox Okapiland Plugin 22 Sep 15

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  Perspectives 11 Jul 15