Products. Wpf. Toolkit. Base. Themes
Xceed Toolkit Plus for WPF is the commercial edition of the popular Toolkit for WPF project, the number one collection of WPF controls for creating next-gen Windows apps.
You can try this package for free for 45 days, after which you will need to purchase a license key to continue using it.
See Xceed Toolkit Plus for WPF package for complete release notes: http://www.nuget.org/packages/Extended.Wpf.Toolkit.Plus/3.8.19076.18510