When you point your browser to GitHub, don’t panic! You’ll see a directory of code listings that might cause you to think this is going to require a graduate level degree in computer science.
Under the multicolor Apple icon, you’ll be able to find a bunch of the common features of Mac OS 8 including the Control Panels, Jigsaw Puzzle, and even the 1991 version of Stickies! How to Download and Install What surprised me is how fast this emulated Mac is much faster than any “real” Mac of the time.