There are many frameworks available in python that helps us in building big enterprise application. Some of the famous frameworks that are used in boom are :
Django, CherryPy, Flask, Bottle, Pyramid, Klein, Web.py, Tornado
There are many famous websites that are made using this frameworks purely shows the power of python language.
THE MOST POPULAR PYTHON AND DJANGO WEBSITES
Some of the most popular and widely used websites and applications that you use every day are built using these same open source tools. The success of these shows the power of the Python language and Django framework.
YouTube
We all know YouTube as the place to upload cat videos and fails. As one of the most popular websites in existence, it provides us with endless hours of video entertainment. The Python programming language powers it and the features we love.
DropBox
DropBox started the online document storing revolution that has become part of daily life. We now store almost everything in the cloud. Dropbox allows us to store, sync, and share almost anything using the power of Python .
Survey Monkey
Survey Monkey is the largest online survey company. They can handle over one million responses every day on their rewritten Python website.
Python also provides the power behind the most popular search engine in the world – Google. The programming language can handle the traffic and computing needs of the search engine and its connected apps.
Quora
Quora is the number one place online to ask a question and receive answers from a community of individuals. On their Python website relevant results are answered, edited, and organized by these community members.





