ExpressionEngine is described as 'CMS is the most secure, flexible, extensible, and user friendly Open Source CMS on the planet. # Beautiful Content' and is an website in the Development category. There are more than 100 alternatives to ExpressionEngine, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, Windows, Linux and Mac. The best alternative is WordPress, which is both free and Open Source. Other great sites and apps similar to ExpressionEngine are Tumblr (Free), Ghost (Free, Open Source), Drupal (Free, Open Source) and Joomla (Free, Open Source).
glFusion is an extremely powerful system for creating online content. It powers all types of sites from personal blogs to high volume community discussion sites, intranets, and almost everything in between. It is well suited for both public and private sites.