an Open Source Probabilistic Information Retrieval library, a highly adaptable toolkit to allow developers to easily add advanced indexing and search facilities to their own applications.
a program that examines source code and reports possible security weaknesses (``flaws'') sorted by risk level. It's very useful for quickly finding and removing at least some potential security problems before a program is widely released to the public.
provides free peer-reviewed portable C++ source libraries. The emphasis is on libraries which work well with the C++ Standard Library. The libraries are intended to be widely useful, and are in regular use by thousands of programmers across a broad spectr
a language tool that provides a framework for constructing recognizers, compilers, and translators from grammatical descriptions containing Java, C#, C++, or Python actions. It provides excellent support for tree construction, tree walking, and translatio
a tool for finding bugs in python source code. It finds problems that are typically caught by a compiler for less dynamic languages, Because of the dynamic nature of python, some warnings may be incorrect; however, spurious warnings should be fairly infr
an event-driven networking framework supports TCP, UDP, SSL/TLS, multicast, Unix sockets, a large number of protocols (including HTTP, NNTP, IMAP, SSH, IRC, FTP, and others)
provides the necessary software to develop and run .NET client and server applications on Linux, Solaris, Mac OS X, Windows, and Unix. Sponsored by Novell.
an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform.
a python extension module that provides rapid prototyping of 2D visualizations. By heavily relying on the python scripting language, SUMMON allows the user to rapidly prototype a custom visualization for their data, without the overhead of designing a gr
Focused primarily on supporting the Ogre 3D graphics library and other Graphics and Gaming libraries. Python-Ogre allows developers to focus on their 'application'
a Free C++/Python GIS Toolkit for developing mapping applications. Above all Mapnik is about making beautiful maps. It is easily extensible and suitable for both desktop and web development.
Python-Powered template engine and code generation tool. Web development is its principle use, but Cheetah is very flexible and is also being used to generate C++, Java, SQL, form emails and even Python code.
a program that analyzes Python programs and detects various errors. It works by parsing the source file rather than importing it, so it is safe to use on modules with side effects. It's also much faster.