SPARK

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

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

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]
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decompyle

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

A powerful development environment for the Python programming language. [Commercial]
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F2PY

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

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]
Report Dead Link | Rate It [ 9.00 / 1 Votes ] | 443 Hits

TransWarp

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

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

A Python-like language for writing extension modules.
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ePolyglot

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

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

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.
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Arachno Python

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

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