AldoContent is a lightweight CMS focused on usability and simplicity. It is designed for multilingual Web sites and can have sections with public and private content. It has file management, is extensible with plugins, and uses gettext for localization. Is written in PHP for a MySQL backend.
Cocomore Drupal Core is an enhanced version of Drupal 6.x Core that integrates all of the speed and scalability improvements from, and adds an "Intelligent Routing" expansion of Pressflow's support for database replication, full integration into Drupal's update mechanism, more efficient cache management, and Memory Threshold and Session Starter debug tools.
GreenPants is a simple blog system. The entries are organized with categories. There is an admin panel for managing the blog. Comments on the blog must be approved before being seen by the public. The administrator can edit, delete, and create entries, categories, and emoticons. The entries and the comments are marked up with BBCode instead of HTML. It is easy to translate to another language.