EmuNations

SameBoy is a user friendly Game Boy and Game Boy Color emulator that's very accurate and includes a wide range of powerful debugging features. In addition to accuracy and developer capabilities, it has features such as Battery save support, states save states, scaling filters...

Launchbox is a front-end wrapper for emulators. Not only does it automatically download box art for games, it also grabs fanart, screenshots, logos and more to create an immersive experience via BigBox...

Steam Rom Manager is a bulk game importer and artwork manager for Steam. It's basically an app for managing ROMs and benefiting from what Steam has to provide. This includes using big picture mode, its overlay, controller management layout, streaming...