2. WordPress is an open source blog publishing application powered by PHP and MySQL. WordPress started as just a blogging systems, but has evolved to be used as full content management system including a plugin architecture and a templating system. The most important aspects of WordPress is the freedom of use that it provides. Introduction
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4. Features Pages Posts Links Themes Comments Spam protection Full user registration Password Protected Posts Easy installation and upgrades Bookmarklets etc.
5. WordPress supports one blog per installation, although multiple concurrent copies may be run from different directories if configured to use separate database tables. WordPress Multi-User (WordPress MU, or just WPMU) is a fork of WordPress created to allow multiple blogs to exist within one installation that is able to be administered by a centralized maintainer. Multi-blogging
6. External links WordPress official site WordPress foundation WordPress MU official site WordPress Open Directory Project