Browse free open source User Interface (UI) software and projects for Mobile Operating Systems and 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.
Innovative user interfaces made easy
Full fledged GUI integration for the Android screen mirroring system
Java interface to OpenCV, FFmpeg, and more
Rainbow Brackets for IntelliJ based IDEs/Android Studio/HUAWEI DevEco
A cross-platform UI framework for .NET
A high-performance HTTP benchmarking tool
A showcase app for the Flutter SDK
completely free for everyone. Its build-in Flutter Dart
The Homebridge UI. Monitor, configure and backup Homebridge
Responsive Admin Panel or Dashboard using Flutter
The smallest header-only GUI library(4 KLOC) for all platforms
A complete native navigation solution for React Native
Use Qt write lunar calendar.
A super easy WiFi hotspot user management utility for Mikrotik router
An android application to download audio (mp3) from YouTube videos.
Java UI Framework for Desktop/iOS/Android
ZED OS the clone of Windows XP
UI Automation Framework for Games and Apps
A lightweight, minimal and mature vanilla CSS framework.
A reactive, card-based UI framework built on UIKit for iOS developers
Community-developed library for professional-quality creative coding
DivKit is an open source Server-Driven UI (SDUI) framework
A Material Design app for douban.com