Uno Platform is described as 'Uno is the platform for building native mobile, desktop and WebAssembly apps with C#, XAML from single codebase. It's a Universal Windows Platform Bridge that allows UWP-based code (C# and XAML) to run on iOS, Android, and WebAssembly' and is an app in the development category. There are more than 25 alternatives to Uno Platform for a variety of platforms, including Windows, Linux, Mac, Self-Hosted and BSD apps. The best Uno Platform alternative is Qt, which is both free and Open Source. Other great apps like Uno Platform are Electron, Flutter, React Native and GTK.
azula is a lightweight alternative to Electron. It is based on Ultralight, which is an embedding friendly Fork of WebKit, with less memory usage and low disk space requirements.
The FOX toolkit is an open source, cross-platform widget toolkit, that is, a library of basic elements for building a graphical user interface (GUI).
Elements C++ GUI is a modern C++ (esp. C++14 and C++17) UI library. Featuring resolution independence and HDPI support, with modularity as another focal point, the library is made for general purpose use while also covering everything needed for audio plugin development.
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