A well known resource (albeit a bit outdated); however I'm genuinely curious why is this on the front page of hacker news. I thought at first that it's been up

A well known resource (albeit a bit outdated); however I'm genuinely curious why is this on the front page of hacker news. I thought at first that it's been updated to some 2.1X version but, judging by the github repo, it hasn't been touched for years.