CefpythonPython bindings for the Chromium Embedded Framework (CEF)
Git Colagit-cola: The highly caffeinated Git GUI
QtQt binding for Go (Golang) with support for Windows / macOS / Linux / FreeBSD / Android / iOS / Sailfish OS / Raspberry Pi / AsteroidOS / Ubuntu Touch / JavaScript / WebAssembly
LcuiA small C library for building user interfaces with C, XML and CSS.
haxeQt binding for Haxe | Showcase example for https://github.com/therecipe/qt
xtdFree open-source modern C++17 / C++20 framework to create console, forms (GUI like WinForms) and unit test applications on Microsoft Windows, Apple macOS and Linux.
zgtZig GUI Toolkit: Portable library for making native GUIs in Zig
DotPurple-AppBug reports, feature requests, and tool list for DotPurple -- the only cross-platform GUI for the .NET (dotnet) command-line interface (CLI)
eeppeepp is an open source cross-platform game and application development framework heavily focused on the development of rich graphical user interfaces.
desktoploveblazorwebA 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.