Python

Web Framework

Django - A high-level Python Web framework that encourages rapid development and clean, pragmatic design.
Tornado - An open source version of the scalable, non-blocking web server and tools that power FriendFeed.
Flask - A lightweight Python web framework based on Werkzeug and Jinja 2.
Bottle - A fast, simple and lightweight WSGI micro web-framework for Python.
web.py - A minimalist web framework written in Python.
web2py - An open source full-stack python web framework for scalable, secure and portable web applications.
Pylons - A lightweight framework that allows several database, templating, user interface, and dispatch options.
Repoze.bfg - A Python web application framework based on WSGI.
Quixote - a framework for writing Web-based applications using Python.
Uliweb - A Python based web framework. (P.S. 国产框架, 由啄木鸟社区的 Limodou 发起并创建)
Karrigell - A flexible Python web framework, with a clear and intuitive syntax.

SQLAlchemy - SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL.
MySQL-python - MySQL driver for python.
virtualenv - Python 虚拟环境及多版本开发利器
virtualenvwrapper - virtualenv 的命令行上的封装