Delete users by entering plaintext which will be searched for email addresse and matching user accounts then deleted.
QPM adds page/post management links for one-click actions as drafting, private/public, opening/closing comments/trackbacks, trashing/deleting, etc
Allows admins to protect selected posts and pages so they cannot be trashed or deleted by non-admin users.
This Plugin Truly Enhances WordPress Admin Bar By Adding Many Useful Options For It, Like, Bit.ly Shortlink, Custom Menu in Admin Bar and a lot more.
Delete posts on your WordPress blog by keyword searching
An Ajax Plugin Helper for the WordPress admin plugin page. Adds Ajax activate, deactivate, delete and upgrade functionality.
Batch change post categories or published date incl. CRON rescheduling
Simple duplicate post deleter. Trashes duplicate posts based on status and category. Keeps newest or oldest original copy.
Allows the administrator to remove the delete post link from the page lists and from the publish box in edit view.
This plugin prevents users from deleting pages, posts and custom post types.
Protects against inadvertant update and deletion of select plugins.
Delete the Custom Fields from your postmeta table where assigned posts no longer exist.
This plugin used for add edit delete and listing module at admin side.Also user can search and sort records.
This plugin permits your members to delete their own account. All languages supported!
WP Tag Delete - Tag Assassin, is a simple yet powerful plugin to delete those unused and unwanted tags.
AJAX-based table manager for WordPress. It is built using the excellent data grid from DrasticTools.
This plugin allows you to delete Posts, Pages and Comments without moving them to Trash first. Additionally it restores all Are you sure? questions.
Automatically deletes all spam comments older than 15 days.
Find and delete all thumbnails from your Media Library
Automatically removes all non-featured image attachments from posts.
Disable Site Delete plugin completely disables the site/blog deletion by a non network administrator
This plugin will allow your users to delete their own account without any need for interaction on the administrator's behalf.
This plugin will help you to manage your upload folder, identify useless files and remove them and save space.
Empty widget areas with the click of a button
The Delete Delete Site Plugin removes the "Delete site" link from your WordPress multisite admin panel
Removes blacklisted html tags and attributes.
Update (17. November 2008): I keep this plugin here for reference but since WordPress 2.7 there's a [Plugin Installer](http://codex.wordpress.org/Vers
This plugin allows you to delete content from your WordPress site/blog.
"Delete Del" removes del elements from RSS 1.0 feeds, and removes HTML comments from feeds and post/page content.
This plugin backs up before deleting posts.