slab3d is a real-time virtual acoustic environment.
Tao3D is a programming language for real-time interactive 3D
Cross Platform GUI Toolkit
GUI library for games and multimedia.
A small C library for building user interfaces with C, XML and CSS.
GTK+iostream, Data plots, ORB, Neural Networks, WSOLA
A fast, powerful and adaptable GUI solution
Perl bindings to the Modern OpenGL API
A GUI based on libSDL for C++ applications
C/C++ library to add light and intuitive GUI to OpenGL and DX programs
A C++ library to easily create GUI-editable objects
Image viewer for animated GIFs