A IDE specialized for developing web applications (webware/cgi) but also useable for 'traditional' Python programming. [Commercial]

An integrated development environment that includes a form designer for PyQt. [Commercial]

A Python IDE that includes a GUI builder for wxPython. [Open Source, GPL]

A Perl to Python source code converter.

Converts Python byte-code back into equivalent Python source. It accepts byte-code from any Python version starting with 1.5.

List of editors with Python support with reviews. Sorted by platforms and licenses.

An Eiffel library for using the languages Eiffel, Python and Haskell together. [Open Source, zlib/libpng license]

A Python IDE written in PyQt using the QScintilla editor widget. [Open Source, GPL]

A Fortran to Python Interface Generator. [Open Source, LGPL]

A remote debugger and IDE that can also be used for local debugging.

A tool for extracting documentation from Python source code.

A temporarily forked version of the Python IDE IDLE. Project page on SourceForge.

An enhanced interactive Python shell with many features for object introspection, system shell access, and its own special command system for adding functionality when working interactively. [Open Source, LGPL]

Specializing (like a dynamic) compiler for Python, runs code 2-100 times faster, needs much memory; makes high level language faster. Descriptions, downloads (program, website), documents, news, links. [Open Source, MIT]

A distutils extension to convert Python scripts into executable Windows programs.

A tool for finding common bugs in Python source code. It finds problems that are typically caught by a compiler for less dynamic languages, like C and C++. [Open Source, BSD-like]

An interactive, graphical Python shell written in Python using wxPython.

A Debugger for Python programs with a graphical user interface. It is inherited from "bdb" but uses a GUI and has some powerful features like object browser, windows for variables, classes, functions, exceptions, stack, conditional breakpoints.

A tool intended to generate a python object model, relational database, and an object-relational model connecting the two using UML or XML. However, it has been extended to also output GUI widgets and can be easily extended to output whatever else you might like. [Open source, MIT License]

A set of tools for reverse engineering Python code, including creation of files readable by ArgoUML. [Open Source, GPL]

A Python-like language for writing extension modules.

A set of components that wrap up the Python 1.5 DLL into Delphi. Execute Python scripts, create new Python modules and new Python types, and create Python extensions as DLLs.

A Python IDE. [Commercial]

A proven, elegant and extensible unit testing framework for Python, based on Java's de facto standard JUnit framework.

Alternative Readline implementation for Python under Win32.

A remote multiple threads python debugger. rpdb.py is a modification of pdb.py. It improves pdb.py's usability, and adds support for remote debugging, multiple threads debugging, post mortem of unhandled exceptions, and for debugging of embedded scripts.

Scanning, Parsing, and Rewriting Kit. [Open Source, BSD-like]

A general source code documentation tool.

Tixapps applications are a suite of development applications that run with Tk/Tcl or Python, using the Tix widget set. [Open Source, BSD-like]

A general purpose Aspect-Oriented Programming, Generative Programming, and CASE toolkit for Python. [Open Source, BSD-like]

A cross-platform, multi-language Integrated Development Environment for PHP and Python built on top of Eclipse Platform.

A Python development environment plug-in for Visual Studio .NET. [Commercial]

A powerful development environment for the Python programming language. [Commercial]

A dialog editor and RAD tool for the free wxWindows GUI library (can write Python code). [Commercial]

A simple resource editor for wxWindows/wxPython GUI development which supports creating and editing files in XRC format. It is written in Python and uses wxPython GUI toolkit. [Open source, BSD license]

An easy to use parser system for lightweight parsing needs. It's designed to be easy to use, but not designed to be fast. From a grammar file it generates readable Python code that looks somewhat like what you might have written by hand.