Pylons Framework is described as 'Open source Web application framework written in Python. It makes extensive use of the Web Server Gateway Interface standard to promote reusability and to separate functionality into distinct modules' and is a Web Framework in the development category. There are more than 25 alternatives to Pylons Framework for a variety of platforms, including Mac, Linux, Windows, Self-Hosted and Web-based apps. The best Pylons Framework alternative is Node.js, which is both free and Open Source. Other great apps like Pylons Framework are Django, Ruby on Rails, Symfony and Flask Framework.