Morten Dalgaard Johansen

Enable regulare widgets to be used as Dashboard Widgets in admin.
This plugin adds a new widget area to the Appearance -> Widgets section in WordPress admin, from where you can add regulare widgets to the WordPress admin dashboard.
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Dashboard Widget Sidebar

Enable regulare widgets to be used as Dashboard Widgets in admin.

Ricardo Gonzalez

WordPress 2.7 introduces a widgetized dashboard featuring the latest posts and WordPress news.
This plugin creates a new widget for that dashboard that lists out the latest technorati reactions.
Only for WordPress 2.7

Dashboard: Technorati Reactions Extended

Widget for the WordPress +2.7 dashboard to display the latest technorati reactions.

Dashboard Widget Sidebar vs Dashboard: Technorati Reactions Extended