BlastEm

BlastEm is an open source Megadrive emulator that runs on even small computers. Its purpose is to allow you to relive the gaming experience of the famous SEGA console directly on your PC.

BlastEm is able to run all console titles and provides additional features such as a backup system, support for multiple controllers and compatibility with homebrews. Many options allow you to customize the experience to increase or decrease the emulation speed,

BlastEm is totally free and it continues to benefit from new features from its developer.