Open-source DirectShow audio renderer. With WASAPI support and more.
Can be found here https://github.com/alexmarsev/sanear/releases
If you want to partake in the development or simply feeling adventurous:
Visual Studio
installed (free versions like Visual Studio Community 2013 Update 5
or Visual Studio Community 2015 Update 1
work just fine)master
branch of saneargit submodule update --init --recursive
from inside the treesanear-dll.sln
solution file and build