A powerful yet user friendly WordPress plugin that automatically creates a table of contents. Can also output a sitemap listing all pages and categories.
Wordpress plugin: Adds user-friendly and database-friendly multilingual content management and translation support.
WordPress Rapid Development Toolkit
Slightly modified options framework, w/ drag & drop slider and other customizations.
Lazy load images. Simple to use: Activate, done. Search engine and noscript user friendly.
Git-based version control for WordPress. Whoa!
The best plugin for WordPress custom fields and custom meta boxes