TestComplete is a popular functional testing tool from SmartBear with support for testing Desktop, Web and Mobile Application. It supports more than dozen technology platforms, tools and number of third party controls.
SpecFlow.NET is popular BDD framework available on .NET platform. It integrates with Visual Studio. You can write Feature in 100% Gherkin with SpecFlow and automation code in C#.
In this video I’ll show you how to integrate SpecFlow.NET and TestComplete in Visual Studio for implementing BDD/ Automated Acceptance tests