.NET 6 preview samples. Not for production use. The main branch tracks the current preview release, and develop tracks the upcoming preview.
It's in early preview stages. Your best bet at documentation is currently https://github.com/dotnet/maui-samples.
How do I create a User Control in dotnetMAUI?
2 projects | reddit.com/r/dotnetMAUI | 2 Sep 2021
MAUI programming tutorials?
1 project | reddit.com/r/csharp | 13 Aug 2021
New to Windows desktop app development!
1 project | reddit.com/r/dotnet | 11 May 2021
MAUI sample with TabbedPage?
1 project | reddit.com/r/csharp | 10 May 2021
Announcing .NET 6 Preview 3 | .NET Blog
1 project | reddit.com/r/dotnet | 8 Apr 2021