A powerful cross-platform UI toolkit for building native-quality apps
No-code in the front, Python in the back. An open-source framework
Elastic UI Framework
A free C, C++ and Fortran IDE
A wxWidgets GUI Builder
Framework for building Windows desktop applications
Finite state machines for building accessible design systems and UI
Lightweight modular front-end framework for developing web interfaces
A cross-platform UI framework for .NET
The Open Standard for Generative UI
Build beautiful web-based analytic apps, no JavaScript required
Style React fast with 100% parity on React Native
A powerful little TUI framework
A growing collection of beautifully designed UI components for Go
Modern CSS framework based on Flexbox
Slint is an open-source declarative GUI toolkit
An advanced, composable, functional reactive model-view-viewmodel
Lighter, faster browser kernel of blink to integrate HTML UI in apps
The home of the Radzen Blazor components
A modern UI framework for Kotlin that makes building performant
Model-driven navigation + UI components with gesture control
Swift interface to the optimized facebook/yoga flexbox implementation
Zero dependency docking layout manager supporting tabs
Fomantic-UI is the community fork of Semantic-UI
UI Automation Framework for Games and Apps