PyCharm Community Edition
"The intelligent Python IDE with unique code assistance and analysis, for productive Python development on all levels."
Vim(Vi Improved) is a free, open source text editor, created by Bram Moolenaar and publicly released in 1991. Vim is one of the most versatile Text Editors and one of the best su...
Spyder (previously known as Pydee) is a powerful interactive development environment for the Python language with advanced editing, interactive testing, debugging and introspecti...
Emacs with jedi or rope is a powerful tool.
Thonny is Python IDE for teaching and learning programming. It is easy to use and has comprehensive program animation (stepping) features.
Eclipse with PyDev
PyDev is an extension to the popular Eclipse IDE making it a powerful Python IDE.