gnustep/libs-gui
The GNUstep gui library is a library of graphical user interface classes written completely in the Objective-C language; the classes are based upon Apple's Cocoa framework (which came from the OpenStep specification). *** Larger patches require copyright assignment to FSF. please file bugs here. ***
GitHub repository with 312 stars and 114 forks.
Language: Objective-C
Topics: objective-c, gui, gnu, graphics, widgets