Database-driven: XOOPS uses relational databases (currently MySQL) to store data required for running a web-based content management system

Fully Modularized: Modules can be installed/uninstalled/activated/deactivated with a click using the XOOPS module administration system. There are hundreds of modules available for download

Personalization: Registered users can edit their profiles, select site themes, upload custom avatars, and much more

User Management: The ability to search for users by various criteria, send email and private messages to users through a template-based messaging system

Supported World-wide: The XOOPS community has more than dozen official support sites around the world for support of non-English speaking users

Multi-byte Language Support: Fully supports multi-byte languages, including Japanese, Simplified and Traditional Chinese, Korean, etc

Versatile Group Permissions System: Powerful and user-friendly permissions system which enables administrators to set permissions by group

Theme-based skinnable interface: XOOPS is driven by a powerful theme system. Both administrators and users can change the look of the entire web site with just a click of a mouse. There are also over 800 themes available for download