This is my favorite [1]. These are a fun exercise to program yourself. Fairly straightforward but also insightful and easy to create fun variations with.
A lot of the style of images this creates are similar to Cellular Automata. Especially when you have a piece of information move diagonally across the screen.
[1]: https://maximecb.github.io/Turing-Drawings/#2,10,0,2,1,0,6,1...
a short film: https://maximecb.github.io/Turing-Drawings/#7,3,5,2,0,6,2,1,...
long time to reach NESS (if it does at all): https://maximecb.github.io/Turing-Drawings/#7,3,3,1,0,0,2,3,...
Cool glyphs: https://maximecb.github.io/Turing-Drawings/#4,4,0,2,1,3,1,0,...
[0] https://en.wikipedia.org/wiki/Halting_problem
https://maximecb.github.io/Turing-Drawings/#20,2,16,1,2,9,1,...
https://maximecb.github.io/Turing-Drawings/#4,3,3,1,0,3,1,1,...