Mac OS X Softwares to Widgets

PyQt is a Python binding for the powerful and versatile Qt cross-platform GUI toolkit. It allows Python developers to create feature-rich graphical applications for desktop, mobile, and embedded platforms.

Google Desktop was a powerful desktop search application designed to index and rapidly locate information across your computer. It integrated seamlessly with your operating system, offering indexed search for files, emails, web history, and more, along with a customizable sidebar for widgets and gadgets.

Antetype is a robust design and layout tool built to streamline the creation of highly functional user interfaces and prototypes. With a focus on efficiency and precision, it leverages a rich set of features including a comprehensive widget library and powerful layout options, enabling designers to rapidly iterate and refine their UI designs.