http://34reqsy6tqou6avwrkm23s4mpkrwz3drtq2e5yr7sywi76h7plnaahad.onion
And all the criticisms of it I've seen are banal and inadequate, and in fact most are answered on the website itself. Hey, we have here yet another time where the "experts" have got things completely wrong, and refuse to let themselves get corrected - which should make you think about the problems in the academia and society in general.