From the higan homepage:

higan (formerly bsnes) is a Nintendo multi-system emulator that began development on 2004-10-14. It currently supports the following systems:

higan focuses on accuracy and clean code above all else. It never uses speed or compatibilty hacks.

higan Google Code Page: https://code.google.com/p/higan/

Downloads Windows Mac OS X Linux Android
Windows builds and release notes ✓ (Source) With OpenEmu (Source) ✓ (Source)