Special Redmine Customizer is a free Chrome extension developed by p36101 that allows users to enhance their Redmine experience with customizations. With this extension, users can add custom links to the Redmine main menu, providing quick access to frequently visited pages.

In addition to custom links, Special Redmine Customizer also offers the ability to expand the full project issues tree directly from the Gantt chart. This feature allows users to easily navigate through the issues of a project without having to switch between different pages.

Overall, Special Redmine Customizer is a useful tool for Redmine users who want to personalize their workflow and improve their productivity. By adding custom links and expanding the project issues tree, users can streamline their navigation and access important information more efficiently.