Python can be used to develop a wide range of applications. It is well suited for web applications due to its libraries for handling internet protocols. Popular Python web frameworks include Django, Flask, and Bottle. Python also allows for the creation of desktop GUI applications using libraries like Tkinter, wxWidget, Kivy, PyQt, and PySide. Additionally, Python supports software development processes through tools for build control, testing, and project management. It can develop business applications with frameworks like Tryton and is used to create 3D CAD applications using libraries like Fandango, CAMVOX, HeeksCNC, AnyCAD, and RCAM.