MS-DOS by Microsoft

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

created at June 25, 2018, 6:26 p.m.

724 +13

29,150 +666

4,126 +171

Apollo-11 by chrislgarry

Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.

created at April 3, 2014, 3:45 p.m.

1,314 -2

56,665 +57

6,824 +1