by Andreas Norman on WordPress.org
Lists all subpages from a selected parent page with option do exclude specific pages.
The administration of the widget
This plugin simply lists all subpages from a selected parent page (with option do exclude specific pages) in the sidebar. This widget can be placed many times in your sidebar.
WP-Walla is an plugin that allows you to get your checkins from Gowalla and present in sidebar as a widget.
A simple widget to add custom text/ HTML to your theme. Advanced options allow you to apply shortcodes, make the title a link and add CSS classes.
WP Quick Deploy allows you to pick your favorite plugins and install them at once without hassle.