WP Clean Up Optimizer will extensively clean up your WordPress database along with Optimizing without manual queries.
Custom Field Suite (CFS) allows you to attach custom fields to posts types.
Extend default search to search in selected post meta, taxonomies, post types and all authors.
WordPress Modification History adds a metabox that shows modification history on a particular set of post types.
Create search filter for your posts by using taxonomies or custom fields.
A WordPress plugin to provide an object oriented and clean API for creating custom meta-boxes on wp-admin *post_type* add/edit screens.
We created a tool which helps you to remove useless post revisions from your database.
Enables searching post meta fields on admin pages.
Change status, categories/tags or postmeta of any post type at a scheduled timestamp.
A simple utility plugin for changing or deleting post or user meta (custom fields) keys in bulk.
WP Clean Up can help us to clean up the wordpress database by removing "revision" "draft" "auto draft" and so on.
Allows extension of page, post and custom post type by allowing you to create customised form fields to include when adding or editing post types.
An easy way to add custom fields to your object types (post, pages, custom post types, users)
Inserts a Wikipedia-like metabox into posts with all the post's associated custom fields and taxonomy terms.
Add versioning to registered post meta fields when post revisions are made. This is currently a developer library, not an end-user plugin.
A plugin development framework with a lot of reusable code and a nice settings page builder.
For each post, author can choose which category is used in permalink.
Migrate your SEO goodness and other meta-data from one theme or plugin to another WordPress theme or plugin.