A cross-platform GUI library
wxWidgets is a C++ library that lets developers create applications for Windows, Mac OS X, Linux and other platforms with a single code base. It has popular language bindings for Python, Perl, Ruby and many other languages, and unlike other cross-platform toolkits, wxWidgets gives applications a truly native look and feel because it uses the platform's native API rather than emulating the GUI. It's also extensive, free, open-source and mature.
It's an object-oriented library written in C++ for creating arbitrary kind of neural networks. The user can use the classes provided to create neural network with arbitrary topology and mixed type of neurons. It's very easy add custom neurons.
Amanith is an OpenSource C++ CrossPlatform framework designed for 2d & 3d vector graphics. (Project closed, please refer to http://www.amanithvg.com ).
CppLua is an object oriented framework to deal with Lua objects and functions in C++. Member functions can be registered into Lua and Lua functions and tables can be used in C++ code with a very simple and intuitive syntax.
General Toolkit Library is a general purpose toolkit written in C++ designed to make it easier for developers to produce applications. It provides classes and templates that implement several data structures like Arrays, Lists, Heaps, Sets, Files, etc.
Scenario Business Process Management Framework.
An Open Source code base that will be used to develop a 3Dapplication development browser plugin and runtime owned by FunTrench.
Libmatrix is a framework for matrix manipulation