Improve website performance by caching individual page fragments (widgets, menus output and long loops).
Activate your site with client-side caching to maintain access to users even when your server is unavailable.
A plugin Josh wrote a long time ago.
Hash (affiliate) URLs and turn them into pages for your blog or simply cache URLs.
Fastest cache system for WordPress Blogs to improve performance and save the World.
Shave off a few milliseconds on your site loading time
Kalimantan is a plugin that integrates Gallery 2 with your WordPress 1.5.
Staticize Reloaded is a plugin to make your site faster by caching the output of some WordPress pages. It creates a unique key based on the page varia
Thesis Cache(r) is designed to integrate WordPress object caching with your thesis theme by giving you page-by-page cache control.
Simple caching for assets (Images, Scripts, styles ...)
Caches multiple users automatically on post and comment pages to radically reduce mysql queries for plugins that get_userdata.
Substantially increase performance of localized WordPress by caching the translation (l10n) object. Supports multiple languages.