Most of the system is now available as free software with the exception of some optional pieces such as TCP/IP.

In 2014, Multics was successfully run on current hardware using an emulator created by Multicians Harry Reed and Charles Anthony. The 1.0 release of the emulator is available as of lc=y 2017. MR12.6f accompanies the 1.0 release of the emulator, and adds a few new features, including command line recall and editing using