Develop desktop GUI applications using PHP, HTML5, JavaScript
Lighter, faster browser kernel of blink to integrate HTML UI in apps
Node canvas is a Cairo backed Canvas implementation for NodeJS
GUI for downloading/managing homebrew apps for video game consoles
The smallest header-only GUI library(4 KLOC) for all platforms
A framework for building Mobile cross-platform UI
A small C library for building user interfaces with C, XML and CSS.
PHP bindings for the cross-platform GUI library wxWidgets.
Rich HTML UI engine for UE4
Software development for NeutrinoHD / Coolstream STB
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit