Name	Rating	Popularity	License	Supported platforms
Quake III SDK			GPL	-	X11
Linux SDK offers Linux users a toolchain to create maps and game code modifications for...
Builder Xcessory PRO			Demo	-	X11
This program provides a comprehensive visual user interface development environment that...
GtkSheet			GPL	-	X11
GtkSheet is a matrix widget for GTK+.
Xdialog			GPL	-	X11
Xdialog converts any terminal-based program into a program with an X Windows interface.
Tucows Features: Aaron's WebVacuum This program allows you to download pictures and MP3s from Web sites. DOMAIN NAMES Register YOURNAME.COM Today! Webroot Window Washer Wash away all traces of your PC and Internet activity and improve system performance with...
TCM - Toolkit for Conceptual Modeling			GPL	-	X11
This application provides the means to create conceptual models of software systems,...
wxWindows			GPL	-	X11
wxWindows is a free cross-platform toolkit in C++ that comes with Python bindings.
gNewt			GPL	-	X11
gNewt is a GTK+-based window and widget C library designed for writing applications with a...
DLDialog			GPL	-	X11
DLDialog is a Tk-like toolkit that offers the ability to draw to a number of widgets.
Lesstif			GPL	-	X11
Lesstif is an LGPL'd implementation of the OSF/Motif standard GUI toolkit for X11 on UNIX.
Xclasses			GPL	-	X11
Xclasses is a C layout library for the X Window System.
EZWGL			GPL	-	X11
EZWGL, the EZ Widget and Graphics Library, is a GUI and graphics library for X11.
EvaluateAnywhere Standard Edition			See Home Page	-	X11
Deploy a trial version of your software in minutes, with Trinity Software, LLC's...
Open Motif (OpenMotif)			See Home Page	-	X11
Open Motif is the standard distribution of Motif for Open Systems.
QtC			Freeware	-	X11
This is a library to allow the use of the Qt library from C instead of C++.
GTK+			GPL	Console	-
Here are the static libraries and header files for the support library for the GIMP's X...
GtkGLArea			GPL	-	X11
GtkGLArea is an OpenGL widget for the GTK+ GUI toolkit.
Town			GPL	-	X11
Town is a 100 percent pure Java API that sits on top of the JDBC API.
ParaGUI			GPL	-	X11
This is a widget set that utilizes SDL for true cross-platform applications.
JX			See Home Page	-	X11
JX is a full-featured C++ application framework and GUI class library for the X Window...
Tk95			GPL	-	X11
This program gives Tk the look and feel of Windows '95 with minimal source-file changes.
TOAD			GPL	-	X11
TOAD is a library for the X Window System.
Xstep			GPL	-	X11
Xstep is a small toolkit for X applications written in C/C++.
XArm			GPL	-	X11
XArm library is a C++ wrapper for the Motif library.
FLTK			GPL	-	X11
FLTK is a C++ GUI toolkit for X and Windows.
LibSX			GPL	-	X11
This small library is designed to simplify X programming.
QT			Freeware	-	X11
This is a GUI Toolkit that simplifies the task of writing and maintaining GUI...
GtkExtra			GPL	-	X11
GtkExtra is a useful set of widgets for creating GUIs for the X Windows system using GTK+.
BLT			GPL	-	X11
BLT provides extra widgets and commands for tk programs.
FOX			GPL	Console	-
FOX is a C++-based toolkit that was designed for developing graphical user interfaces...