Houston, we have some code. The Apollo 11 Guidance Computer source code is now available for free online, thanks to a NASA intern that uploaded the code to Github.

In the 1960’s MIT programmers wrote thousands of lines of esoteric code for Apollo 11’s flight software. They invented “rope memory,” and created a special version of the assembly

Source: Hot Hardware – Apollo 11 Guidance Computer Source Code Hits Github Thanks To NASA Intern