You can now compile using Visual C++ without Visual Studio:
by Marian Luparu
From the article:
Together with the availability of Visual Studio 2015 Update 1 RC, we’re also announcing a new way of acquiring the C++ tools: as a standalone installer that only lays down the tools required to build C++ projects without installing the Visual Studio IDE. This new installer is meant to streamline the delivery of the C++ build tools in your build environments and continuous-integration systems.