Develop desktop GUI applications using PHP, HTML5, JavaScript
Node canvas is a Cairo backed Canvas implementation for NodeJS
Graphical User Interface Toolkit for Python with minimal dependencies
Community-developed library for professional-quality creative coding
Cross-platform layout engine which implements Flexbox
Zoomable user interface (ZUI) with file manager, file viewers and more
Cross Platform GUI Toolkit
Real-time interactive 3D graphics API for scientific simulations
A framework for building Mobile cross-platform UI
a dll to easily make gui windows with graphics in any language
Perl bindings to the Modern OpenGL API
Minimalistic properties editor for Qt applications
Cross-platform C framework very compact libraries and tools.
OpenGL GUI and build-in data management API