There are 22 repositories under cross-platform-gui topic.
A cross-platform GUI for youtube-dl made in Electron and node.js
A flexible UI framework for Unity
A desktop application for downloading Udemy Courses
Free open-source modern C++17 / C++20 framework to create console, GUI (forms like WinForms) and unit test applications and libraries on Microsoft Windows, Apple macOS and Linux.
A flexible UI framework for Cocos2d-x
SDK for building cross-platform desktop apps in ANSI-C
A cross-platform desktop application template (mobile support in the future) based on Blazor Server, which uses an in-process ASP.NET Core server + in-process OS WebView component.
Showcase example for https://github.com/therecipe/qt
A simple Iced application that I wrote as a learning activity, which allows you to browse the full list of regular Material Icons.
Bug reports, feature requests, and tool list for DotPurple -- the only cross-platform GUI for the .NET (dotnet) command-line interface (CLI)
Audio/Video controls for the Avalonia UI toolkit.
A fully featured tool that makes learning vocabulary easier and more enjoyable than ever before.