Natty is a library on top of GUSI adding process management facilities like fork() and exec() and shell-like functionality.
Text and font support for OpenGL + Allegro. This project has been merged into AllegroGL and is now depricated.
Whisper is C++ application framework for the Mac and Windows. Unlike most frameworks it takes advantage of the standard library, design by contract, and modern C++ idioms.
The goal of an Open Math Library is to provide the basic set of math-related classes and functions for 3d engine development. Currently the library has implementations for vectors (2 to 4 dimensional), matrices, planes and quaternions.
Game GUI Library (gameguilib) is a framework for user interfaces in games and other projects where native GUI is not used. It is zlib/libpng licensed, so you can use it for commercial purposes freely.
A library designed to allow use of quantities with units in C++.
CEVA is a powerful game engine library with a simple API.
Free cross-platform C++ library for loading audio files (wav,aiff etc.).
This is a simple library dedicated to the creation, editing, and parsing of a custom data format, meant to be used for applications where speed and conciseness are important.
A simple wrapper for the RapidXml library, which provides basic Xml writing functionality, with the need to allocate strings oneself as with RapidXml.
QUDAL - the Quantities, Units and Dimensional Analysis Library - allows you to work with physical units (SI and otherwise) in C++, as well as with quantities measured in such units.
SQLiteDB is a C++ wrapper around the SQLite database library. It will be designed to be as generic as possible making it able to be used with Standard C++ as well as with other libraries (wxWidgets, etc)
The library allows a calling program to manipulate terminal settings at runtime. There are functions for colored text, clearing the screen, moving cursor positions, etc., as well as functions for more complex maneuvers such as interactive progress bars.
SQLiteVFS is a code library to allow an application to create a virtual file system within a single file using SQLite as the backend.
Unicorn is a cross-platform C++ library for the creation of platform-independent graphical interfaces and applications. Unicorn can run on Windows, GNU/Linux, Mac OS X and can be embedded in applications like games.
SIGMA (SImple Game MAchine) Framework - scalable platform for multimedia applications development.