Description:

The FLTK graphical user interface (GUI) toolkit includes a selection of useful tools for developing your applications. It provides an array of widgets for GUI elements from text input and output controls to buttons, sliders and menu based controls. Its interface designer helps you quickly build and develop complex applications.

Usage Notes:

Use FLTK for a fast and lightweight development toolkit. The developers of FLTK emphasize that it uses an efficient event handling mechanism and that its use of C++ subclassing makes it easy to create new widgets. They also point out that it is one of the few open source toolkits to natively support OpenGL rendering.