I'm also interested into more of these "teach yourself x" curriculums if anyone has anymore to share. There's so many things I want to learn and I'm someone who likes (needs?) structure. Here's a few that I know of.

Draw a Box: https://drawabox.com/ (Doesn't necessarily fit, but it's really good!)

So You Want to Study Mathematics: https://www.susanrigetti.com/math

So You Want to Study Philosophy: https://www.susanrigetti.com/philosophy

So You Want to Learn Physics: https://www.susanrigetti.com/physics