A visual front end to git
JVx UI implementation with JavaFX
Synthetic Shared Environment in C++
Namer UI is a collection of reusable components
Bash scripts that declare aliases and copy code templates.
Tools to create and run scripts managing special kind of windows
Collection of utility functions
Objective-C embedded development libraries
Cross Platform GUI for D programming language
Library of widgets for Motif/Lesstif.
Portable User-Interface Framework
A multi-posix-platform abstraction layer for creating desktop apps
Web and Mobile framework
Qt based GUI classes for the VXL Computer Vision Libraries
Tk window tracking
Java UI Framework for Desktop/iOS/Android
Cross Platform GUI Toolkit
JUL Designer - a RAD tool for JavaScript
The FlutterShop template makes it easier to develop an e-commerce app
Cross-platform C++ desktop UI framework with XML-driven skins and Skia