The Visual Studio Tooling can be found on the Visual Studio Gallery:
VS 2013 https://visualstudiogallery.msdn.microsoft.com/1c7b3c91-4e43-4c30-992e-00c67f80b2c9
VS 2015 http://visualstudiogallery.msdn.microsoft.com/dbc95e94-975c-4c86-a5f4-dd818102d117
It requires Open RIA Services Tools Support Installer to be installed in order to work.
VS 2013 https://visualstudiogallery.msdn.microsoft.com/1c7b3c91-4e43-4c30-992e-00c67f80b2c9
VS 2015 http://visualstudiogallery.msdn.microsoft.com/dbc95e94-975c-4c86-a5f4-dd818102d117
It requires Open RIA Services Tools Support Installer to be installed in order to work.