DOSBox is an emulator program that emulates an IBM PC compatible computer running a DOS operating system.
License: Open Source
FreeDOS is a complete DOS-compatible operating system that runs natively on hardware, while DOSBox is an emulator designed primarily for running DOS applications on modern systems. FreeDOS is ideal for users wanting a native DOS experience, while DOSBox is better suited for playing DOS games and running DOS applications in a more user-friendly manner.