The SocketWrench . Programming and Development ; Other; download Catalyst SocketWrench dotNET Edition 6.0.NET Edition is a managed code class that simplifies the task of developing Internet applications in Visual Studio or Borland Developer Studio using any of the available programming languages such as Visual Basic .NET and C#. SocketWrench is ideal for the developer who requires the features and functionality of the native socket classes, without the inherent complexities and learning curve typically involved with network programming.