Ask HN: Best open-source projects to learn from?
What are the best open-source projects / snippets of code that caught your attention? I understand that there are different criteria when someone classify something as best / beautiful. I mean below properties when I mention the word 'best' -a) Solves a real problem b) Relatively easier to understand c) Relatively easier to modify / extend d) Relatively easier to test e) Has seen an...