Developed StreamWindow, a 3D window management tool for macOS, as part of the jaywcjlove/awesome-mac repository. This feature introduced intuitive 3D views and animations to enhance multitasking and streamline user workflows on the macOS platform. The implementation focused on UI/UX design principles and leveraged macOS development skills, with documentation and planning managed in Markdown. By delivering the core functionality through a primary commit, the work established a foundation for future enhancements in window organization and user interaction. The project addressed the need for improved window management, aiming to boost productivity and set the stage for ongoing UI/UX improvements.