There are some decent samples on MSDN, 56 in F# at the time of writing. Most aren't GUI apps, but some are. https://code.msdn.microsoft.com/site/search?f%5B0%5

There are some decent samples on MSDN, 56 in F# at the time of writing. Most aren't GUI apps, but some are. https://code.msdn.microsoft.com/site/search?f%5B0%5D.Type=ProgrammingLanguage&f%5B0%5D.Value=F%23&f%5B0%5D.Text=F%23&sortBy=Date https://code.msdn.microsoft.com/site/search?f%5B0%5D.Type=Pr... My "WPF Image Cropper" sample might be interesting to you - pure F# WPF via XAML type provider. I am not a GUI dev, though, so it's probably crap design :)