Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Minify, Page, Object, Fragment, Database support.
Clear all cache for WP Super Cache adds a menu entry to the admin menu to clear the cache completely .
Admin Flush W3TC Cache works with the W3 Total Cache plugin. It simply adds an "Empty All Caches" option to every Admin page.
Integrates a Horizontal YUI Menu in WordPress.