Updated June 30, 2013
WordPress is by far the most common blogging platform online. It powers 22% of sites on the Internet; no other content management system comes close to its widespread usage. It’s free. It’s robust. It’s highly extensible, making it a developer’s playground for plugins, so site owners can customize and tweak blogs in a thousand different ways to create a useful and unique site experiences for visitors. And WordPress is so widely used, that web hosting providers bend over backwards to offer cheap, reliable WordPress web hosting with features like “one-click WordPress install” (click the link to see WHDb’s entire list of WordPress hosts).
Update November 13, 2012: This article was originally posted May 1, 2008. Since then, it has been our most popular article here at WHdb.com. In light of this, we have decided to give this article an update for 2012: we cleaned out some obsolete links and added a New for 2012 section. Enjoy!
Updated January 17, 2014
Drupal is a free, open-source content management system and content management framework used by just over 2% of websites worldwide. The creation of Dries Buytaert, Drupal is used as the back-end system for sites of all kinds, ranging from blogs to whitehouse.gov. Drupal allows web developers to build content management systems that include user account registration and maintenance, menu management, RSS feeds, page layout customization, and system administration.