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Pyke introduces a form of Logic Programming (inspired by Prolog) to the Python community by providing a knowledge-based inference engine (expert system) written in 100% Python.

PyChecker is a python source code checking tool to help you find common bugs. It is meant to find problems that are typically caught by a compiler. Because of the dynamic nature of python, some warnings may be incorrect; however, spurious warnings should be fairly infrequent. PyChecker works in a combination of ways. First, it imports each module. If there is an import error, the module cannot be processed. The import provides some basic information about the module. For each function, class, and method, the code within the function is checked for possible problems. Types of problems that can be found include: * No doc strings in modules, classes, functions, and methods * self not the first parameter to a method * Wrong number of parameters passed to functions/methods * No global found (e.g., using a module without importing it) * Global not used (module or variable)

Adime is a portable add-on library for Allegro with functions for generating Allegro dialogs in a very simple way. Its main purpose is to give as easy an API as possible to people who want dialogs for editing many kinds of input data.

Rope is a python refactoring library.

regexxer is a nifty GUI search/replace tool featuring Perl-style regular expressions. If you need project-wide substitution and you're tired of hacking sed command lines together, then you should definitely give it a try.

This package allows Ruby developers to write their code using aspect- oriented programming style. AspectR is somewhat similar to AspectJ.

SimpleParse is a BSD-licensed Python package providing a simple and fast parser generator using a modified version of the mxTextTools text-tagging engine. SimpleParse allows you to generate parsers directly from your EBNF grammar. Unlike most parser generators, SimpleParse generates single-pass parsers (there is no distinct tokenization stage), an approach taken from the predecessor project (mcf.pars) which attempted to create "autonomously parsing regex objects". The resulting parsers are not as generalized as those created by, for instance, the Earley algorithm, but they do tend to be useful for the parsing of computer file formats and the like (as distinct from natural language and similar "hard" parsing problems). As of version 2.1.0 the SimpleParse project includes a patched copy of the mxTextTools tagging library with the non-recursive rewrite of the core parsing loop. This means that you will need to build the extension module to use SimpleParse, but the effect is to provide a uniform parsing platform where all of the features of a give SimpleParse version are always available.

The Genetic Algorithm Utility Library (or, GAUL for short) is a flexible programming library designed to aid in the development of applications that use genetic, or evolutionary, algorithms. It provides data structures and functions for handling and manipulation of the data required for a genetic algorithm. Additional stochastic algorithms are provided for comparison to the genetic algorithms. Much of the functionality is also available through a simple S-Lang interface.

This is an implementation of Python bindings for the Subversion version control system, aiming to be complete, fast and feel native to Python programmers. Bindings are provided for the working copy, client, delta, remote access and repository APIs. A hookable server side implementation of the custom Subversion protocol (svn_ra) is also provided.

pytz brings the Olson tz database into Python. This library allows accurate and cross platform timezone calculations. It also solves the issue of ambiguous times at the end of daylight savings, which you can read more about in the Python Library Reference (datetime.tzinfo).