Geeklog is an open-source content management system (CMS) designed for managing dynamic web content. It is written in PHP and supports the MySQL database, offering a robust platform for creating websites with features such as user-friendly administration, customizable themes, and built-in security functionalities. Geeklog is particularly suited for weblogs, RSS feeds, and community websites, providing tools for user authentication, permissions management, and spam protection. Users can extend its capabilities through plugins and additional modules, allowing for enhanced customization and functionality.