Some Wordpress plugins are often updated, which is good think. Plugins that are updated are 100% compatible with last Wordpress version and they also are the most secure possible. A plugin that has not been updated for a long time might not work with last Wordpress version and might create a security breach for you website.
Bounce plugin finds and manage bounced email address for newsletter, notification and mailing plugins
The Featured Category Widget is basically a Featured Post Widget for a category.
The Category Column does simply, what the name says; it will show excerpts of the latest posts in your sidebar.
The Advanced Category Column is a very customizable multi-widget for your sidebar.
Popular Posts Count is a widget plugin which displays popular posts by VIEWS / COMMENTS on your blog in cool style.