TGG WP Optimizer
This plugin is a collection of various WP tweaks like controlling number of post...
Super Page Cache
Supercharge Your Pagespeed and SEO by Powerful Caching, JS/CSS, Media, and Cloud...
Database Toolset
Database Toolset can help you to keep your database clean by deleting all unneed...
Ajax Search Lite
A powerful ajax search engine for WordPress. Add a live search form to your site...