Resources

Platform Independent GUI FAQ:
https://www.zeta.org.au/~rosko/pigui.htm

The GUI Toolkit, Framework Page: https://www.geocities.com/SiliconValley/Vista/7184/guitool.html

wxWindows: https://web.ukonline.co.uk/julian.smart/wxwin/

Fresco: https://www.iuk.tu-harburg.de/fresco/

Java (Swing): https://developer.javasoft.com/developer/earlyAccess/jfc.html

GNUStep: https://www.gnustep.org/

ACE: https://www.cs.wustl.edu/~schmidt/ACE.html

Cygnus GNU-Win32: https://www.cygnus.com/misc/gnu-win32/

GTK: https://www.gimp.org/gtk/

GTK--: https://www.cs.tut.fi/~p150650/gtk/gtk--.html

Motif: https://www.camb.opengroup.org/desktop/motif/

Lesstif: https://www.lesstif.org/

Tcl/Tk: https://sunscript.sun.com/

Wine: https://www.winehq.com/

Qt: https://www.troll.no/