Cygwin
Get that Linux feeling - on Windows
mingw64-x86_64-libpng-src: PNG graphics library for Win64 toolchain (source)
2017-07-04 23:24 0 mingw64-x86_64-libpng-1.6.30-1.src/ 2017-07-04 23:24 988608 mingw64-x86_64-libpng-1.6.30-1.src/libpng-1.6.30.tar.xz 2017-07-04 23:24 646 mingw64-x86_64-libpng-1.6.30-1.src/mingw64-x86_64-libpng.cygport