No Category Base (WPML)
This plugin removes the mandatory 'Category Base' from your category permalinks. It's compatible with WPML.
Plugin Tag: categories
List category posts
List Category Posts allows you to list posts by category and many other parameters in…
Media Library Assistant
Enhances the Media Library; powerful [mla_gallery] [mla_tag_cloud] [mla_term_list], taxonomy support, IPTC/EXIF/XMP/PDF processing, bulk/quick edit.
Category Posts Widget
Adds a widget that shows the most recent posts from a single category.
Remove Category URL
This plugin removes '/category' from your category permalinks. (e.g. /category/my-category/ to /my-category/)
Ultimate Category Excluder
Ultimate Category Excluder allows you to quickly and easily exclude categories from your front page,…
Post Tags and Categories for Pages
Adds the built in WordPress categories and tags to your pages.
Media Library Categories
Adds the ability to use categories in the media library.
FV Top Level Categories
This is a fix of Top Level Categories plugin for Wordpress 3.1. and above.
Essential Widgets
Essential Widgets is a WordPress plugin for widgets that allows you to create and add…
Visual Term Description Editor
Replaces the plain-text category and tag description editor with a visual editor.
Category Tag Pages
Adds categories and tags functionality for your pages.
Flexible Posts Widget
An advanced posts display widget with many options. Display posts in your sidebars any way…
Allow HTML in Category Descriptions
This plugin allows you to use unfiltered HTML in your category descriptions by disabling selected…
BulkPress
Add posts, pages, categories and custom post types and taxonomy terms in bulk! Managing vast…
Simply Exclude
Note to all used who tried the version 2.0 and 2.0.1 there were was bugs…
Collapsing Categories
Adds a widget which uses Javascript to dynamically expand or collapse the set of posts…
Category Checklist Tree
Preserves the category hierarchy on the post editing screen
Multi-column Tag Map
Multi-column Tag Map will display tags, pages, posts, categories, custom post types, authors and taxonomies…