APSW is an easy solution to display authors' activity and popular posts with statistic information in sidebar widgets.
Display Your Post With Highly Customising Options Using Widget and Shortcode
Smooth slider - post and featured image. This plugin offers two post slider widget with viewing options.
Creates widgets that display excerpts from posts or pages in the sidebar.
A widget that you can use to display posts!
Widget for the Edit Post or Edit Page pages for inserting HTML encodings of Unicode characters into the post.
Displays information from a single post or page inside a widget with various display options.