DLDialog is a Tk-like toolkit that offers the ability to draw to a number of widgets.
Ikaros is a framework for writing and running component-based simulators.
Open Motif is the standard distribution of Motif for Open Systems.
This small library is designed to simplify X programming.
GtkExtra is a useful set of widgets for creating GUIs for the X Windows system using GTK+.
Xdialog converts any terminal-based program into a program with an X Windows interface.
Added Dec 11, 2001
wxWindows is a free cross-platform toolkit in C++ that comes with Python bindings.
Added Jun 21, 2001
This program gives Tk the look and feel of Windows '95 with minimal source-file changes.
Town is a 100 percent pure Java API that sits on top of the JDBC API.
FOX is a C++-based toolkit that was designed for developing graphical user interfaces...
Here are the static libraries and header files for the support library for the GIMP's X...
gNewt is a GTK+-based window and widget C library designed for writing applications with a...
Added May 14, 2000
This program provides a comprehensive visual user interface development environment that...
Added Jul 18, 2013
BLT provides extra widgets and commands for tk programs.
EZWGL, the EZ Widget and Graphics Library, is a GUI and graphics library for X11.
FLTK is a C++ GUI toolkit for X and Windows. FLTK provides a complete set of GUI widgets,...
GtkSheet is a matrix widget for GTK+. It consists of a scrollable grid of cells where you...
Added Feb 29, 2000
JX is a full-featured C++ application framework and GUI class library for the X Window...
Lesstif is an LGPL'd implementation of the OSF/Motif standard GUI toolkit for X11 on UNIX.
This is a library to allow the use of the Qt library from C instead of C++.