.NET MAUI is the .NET Multi-platform App UI
A cross-platform UI framework for .NET
SkiaSharp is a cross-platform 2D graphics API for .NET platforms
GeneticSharp is a fast, extensible, multi-platform and multithreading
The .NET MVVM framework for cross-platform solutions
Tweetinvi, an intuitive Twitter C# library for the REST and Stream API
A CS development framework based on small-to-medium sized refining
Build HTML5 apps for web and mobile using your .NET skills
Enterprise- level HTML5 application development platform