http://firstfloorsoftware.com

First Floor Software, based in The Hague, The Netherlands, was formed in 2008 with the purpose of providing consultancy and building high-quality products related to XAML. Inspired by the release of Silverlight as a platform to create rich applications within the browser, First Floor Software has a primary focus on XAML technology related development. Their latest product, XAML Spy, is a visual runtime inspector for Silverlight, Windows Phone, WinRT and WPF applications and builds on the technology from their flagship product Silverlight Spy.