EmuNations

DXGL is a ddraw.dll library replacement for Windows on OpenGL. It is designed to overcome driver issues, particularly newer Windows operating systems while also adding various enhancements to the graphics output such as display scaling and filtering options...

WinArcadia is a multi-system emulator of Signetics-based machines released during the 1970's and 1980's. It supports load/save snapshots, CPU tracing, trainer, graphics scaling, automatic loading of per-game configurations, netplay and much more...

SuperModel emulates Sega's Model 3 arcade platform which uses OpenGL and SDL library to those arcade games. It's still considered to be in "alpha" stage of development with game compatibility remaining average, but it's still being actively developed...