https://devblogs.microsoft.com/xamarin/xamarin-forms-for-windows-store-preview-and-xamarin-for-oss/
Exciting Xamarin Announcements from dotnetConf - Xamarin Blog
Apr 3, 2019 - Xamarin made several exciting announcements at dotnetConf 2015, including announcing Xamarin.Forms for Windows Store and free Xamarin OSS subscriptions.
excitingxamarinannouncementsblog