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 free C, C++ and Fortran IDE
Jupyter Interactive Notebook
Qt based cross-platform GUI proxy configuration manager
Appium Server in Desktop GUIs for Mac, Windows, and Linux
The open-source, cross-platform API client for GraphQL
Localized MIUI ROMs
An open source Java decompiler Gui for Procyon
A cross-platform GUI for youtube-dl made in Electron and node.js
SideStore is a fork of AltStore that doesn't require an AltServer
Develop desktop GUI applications using PHP, HTML5, JavaScript
Innovative user interfaces made easy
A utility-first CSS framework for rapid UI development
Java interface to OpenCV, FFmpeg, and more
Full fledged GUI integration for the Android screen mirroring system
A cross platform front-end GUI of the popular youtube-dl
A JavaScript library for building user interfaces
Most modern mobile touch slider with hardware accelerated transitions
A simple & beautiful GUI application for scrcpy
UI tool for managing git repositories
GUI for downloading/managing homebrew apps for video game consoles