Apps similar to 4DOS include DOSBox, which is free and open source. Other options are FreeDOS, iDOS Emulator, DOSBox Staging and Magic Dosbox. In total there are nine DOS Emulators like 4DOS for Mac, Windows, Linux, Android and iPhone.
DOSBox is an emulator program which emulates an IBM PC compatible computer running a DOS operating system. Many IBM PC compatible graphics and sound cards are also emulated. This means that original DOS programs (including PC games) are provided with an environment in which they...
Germany
EU
FreeDOS is a complete, free, 100% MS-DOS compatible operating system. Works on old hardware, in DOS emulators, and in embedded systems.
United States
iDOS turns your device right into a powerful DOS gaming PC, with modern game control to make your old favorites as playable as possible.
China
DOSBox Staging is a modern continuation of DOSBox with advanced features and current development practices.
Magic Dosbox is a highly optimized Android port of the powerful DOSBox emulator. Designed specifically for mobile, the control system allows running apps anywhere without the need of external hardware.
United Kingdom
An enhanced SVN build of the DOS emulator which incorporates unofficial features and fixes that are not officially part of DOSBox.
This is an x86 emulator written in pure Java based on the Dosbox project. It currently supports running Dosbox's built in DOS and well as booting into Windows 95/98/NT4.
