GNUstep is a set of general-purpose Objective-C libraries based on the OpenStep standard developed by NeXT (now Apple) Inc. The libraries consist of everything from foundation classes, such as dictionaries and arrays, to GUI interface classes such as windows, sliders, buttons, etc. Please contact the GNUstep maintainers at in case of questions and help offers. LICENSE: LGPL2 or later (framework) LICENSE: GPL3 or later (tools) WWW: http://www.gnustep.org/