DOSBox for Mac is a DOS-emulator that uses the SDL-library. This makes DOSBox for Mac very easy to port to different platforms. DOSBox for Mac has already successfully been ported to lots of different platforms, such as BeOS, Linux,Windows, as well as MacOS X.
DOSBox for Mac also emulates CPU:286/386 realmode/protected mode, Directory FileSystem/XMS/EMS, Tandy/Hercules/CGA/EGA/VGA/VESA graphics, and SoundBlaster/Gravis Ultra Sound card for excellent sound compatibility with older games.
DOSBox for Mac is a great DOS-emulator and can run all sorts of classic titles from a bygone gaming era. The learning curve is quite steep, and if you are a beginner then you may find it a tad difficult to get to grips with. Apart from that, it is a great way to run plenty of classic games that don't run on a new computer!