Browse free open source User Interface (UI) software and projects for Linux below. Use the toggles on the left to filter open source User Interface (UI) software by OS, license, language, programming language, and project status.
A utility-first CSS framework for rapid UI development
Innovative user interfaces made easy
Framework for building Windows desktop applications
DivKit is an open source Server-Driven UI (SDUI) framework
A cross-platform UI framework for .NET
UI automation library for .Net
Build beautiful web-based analytic apps, no JavaScript required
Touch swipe image slider/slideshow/gallery/carousel/banner mobile
Free and open-source admin dashboard template built with Bootstrap 4
UI Automation Framework for Games and Apps
Modern CSS framework based on Flexbox
Powerful and flexible toolkit for building Web APIs
An advanced, composable, functional reactive model-view-viewmodel
UI framework designed for theming
Dependency injection framework for Swift with iOS/macOS/Linux
PHP bindings for the cross-platform GUI library wxWidgets.
Toolkit for rapid XML and web application development