Posthaste

To Hide Featured Image on single post/page.

SEO Friendly Images automatically adds alt and title attributes to all your images improving traffic from search engines.

Replace the default taxonomy boxes with a custom metabox that uses radio buttons... effectively limiting each post to a single term in that taxonomy.

Adds an AJAX rating system for your WordPress site's content.

Customize the management screen UI.

Add a simple Portfolio post type to your site.