Best Languages for GUI

Some popular languages for GUI development include:

1. Python: has several GUI frameworks such as Tkinter, PyQt, and PySide for cross-platform development.

2. C#: used with the Windows Forms and WPF frameworks for desktop applications on the .NET platform.

3. Java: popular for desktop applications with its Swing and JavaFX frameworks.

4. JavaScript: widely used for web applications with frameworks like React, Angular, and Vue.js.

5. Swift: popular for macOS and iOS development with its Cocoa and Cocoa Touch frameworks.

Ultimately, the best language for GUI development depends on the specific project requirements and the developer's expertise.