Stani's Python Editor (SPE)
- A full-featured Python IDE and ships with Python Debugger (rpdb2), wxGlade (gui designer), PyChecker(source code doctor), Kiki(regex console) and Blender(3d) support. [Open source, GPL]
- http://pythonide.blogspot.com

Eric3
- A Python IDE written in PyQt using the QScintilla editor widget. [Open Source, GPL]
- http://www.die-offenbachs.de/detlev/eric.html

ActiveState Komodo
- Professional IDE for open source languages, offering advanced support for Perl, PHP, Python, Tcl, and XSLT.
- http://www.activestate.com/products/komodo_ide/

Wing IDE
- A powerful development environment for the Python programming language. [Commercial]
- http://wingide.com/wingide

ActiveState Visual Python
- A full-featured Python IDE plug-in for Visual Studio .NET.
- http://www.activestate.com/Products/Visual_Python/

TruStudio
- A cross-platform, multi-language Integrated Development Environment for PHP and Python built on top of Eclipse Platform.
- http://www.xored.com/trustudio

Maguma Workbench
- A modular IDE for PHP and Python.
- http://www.maguma.com

Boa Constructor
- A Python IDE that includes a GUI builder for wxPython. [Open Source, GPL]
- http://boa-constructor.sourceforge.net/

BlackAdder
- An integrated development environment that includes a form designer for PyQt. [Commercial]
- http://www.thekompany.com/products/blackadder/