Apps Related to Highly Customizable

Iris is a comprehensive software designed to protect your eyes, improve sleep quality, and boost productivity by intelligently managing screen light and offering health features.

Fluxbox is a highly configurable and lightweight stacking window manager for the X Window System, known for its minimal resource usage and flexible user interface.

Textpattern is a robust, flexible, and free open-source content management system (CMS) designed for building sophisticated websites. It's known for its clean code, powerful templating system, and focus on content structure and publishing.