Node canvas is a Cairo backed Canvas implementation for NodeJS
Collection of utility functions
The smallest header-only GUI library(4 KLOC) for all platforms
A small C library for building user interfaces with C, XML and CSS.
A fast, powerful and adaptable GUI solution
Rich HTML UI engine for UE4
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
X-Plane plugin which controls the Saitek Instrument Panel
Image viewer for animated GIFs
Take your WinForms project out of Aero and into Metro with ease!