Directory / plugin
RichList Widget
v1.0 · by Shine Sudarsanan
Shows posts from Categories as an accordion list with click-able titles.
About this plugin
Richlist Widget plugin will help you to list WordPress categories in widget areas as an Accordion List. There are some cool options like exclude categories, show/hide read more links, limit the number of posts to be displayed in each category etc etc. This is a really simple plugin, and will do the job 🙂