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Avalonia
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology
On the other hand, I already use AvaloniaUI for some simple projects and it worked just great. The community is very active and it won't die anytime soon. And you can build cross-platform applications.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Uno Platform
Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-codebase apps from any IDE. Hot Reload included! 90m+ NuGet Downloads!!
The final option is the UNO Platform. Here you have ONE codebase and your stuff will run on the web, as an app, desktop application.
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wpfui
WPF UI provides the Fluent experience in your known and loved WPF framework. Intuitive design, themes, navigation and new immersive controls. All natively and effortlessly.
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Electron.NET
:electron: Build cross platform desktop apps with ASP.NET Core (Razor Pages, MVC, Blazor).