Ooui
A cross-platform .NET UI library that brings native UI development simplicity to the web using web technologies.
What is Ooui?
Ooui is a cross-platform UI library for .NET that enables developers to build web applications using a native object-oriented UI API. It translates .NET UI code into web technologies, allowing interactive applications to run in browsers with real-time synchronization between server and client. The library supports multiple deployment modes, including a built-in web server, ASP.NET Core integration, and WebAssembly for client-side execution.
.NET developers, especially those familiar with Xamarin.Forms or Windows Forms, who want to build web applications without learning frontend frameworks like React or Angular. It's also suitable for teams looking to share UI logic across web and native platforms.
Developers choose Ooui because it allows them to use their existing .NET skills and codebase to create web UIs, reducing the need to learn new web-specific technologies. Its integration with Xamarin.Forms enables code reuse across mobile and web platforms, and the WebAssembly support offers client-side execution without server dependencies.
Overview
A small cross-platform UI library that brings the simplicity of native UI development to the web
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