Create basic GUI windows for minimal Linux distros
RobotGo, Go Native cross-platform GUI automation
Window Maker Live Linux Distribution
Objective-C embedded development libraries
A multi-posix-platform abstraction layer for creating desktop apps
Zoomable user interface (ZUI) with file manager, file viewers and more
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
Cross Platform GUI Toolkit
Synthetic Shared Environment in C++
Dynamic Extension for TCL/TK
ZED OS the clone of Windows XP
Virtual Scrolling without a frame or canvas wrapper
Tao3D is a programming language for real-time interactive 3D
X11 developer's 'workbench' and lightweight toolkit API
A small C library for building user interfaces with C, XML and CSS.
Perl wrappers for the wxWidgets C++ toolkit
HTML Widget for Motif (for HTML 3.2)
Provides message-box' like functionality for scripts