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Re:Show HN: Learnawesome.org – Open-source learning map for ... by falcor84 on Sunday July 12, 2020 @04:17PM (#23814416)
I'm also really interested in this. Khan Academy used to have a wonderful one, for pretty much all of math up to about undergrad level, but it's gone, for no reason I could find [0]. This seems to be the code that was used to lay it out [1].

[0] https://khanacademy.fandom.com/wiki/Knowledge_Map [1] https://github.com/beneater/kmap-editor

Re:Show HN: Learnawesome.org – Open-source learning map for ... by mathnmusic on Monday July 13, 2020 @12:23AM (#23817142)
A skill-tree for life. That's the goal! :-)