Here are the best free online courses to learn OCaml, a general-purpose, statically-typed programming language that is widely used in academia and research institutions.

OpenLearn offers 900+ courses on a wide variety of subjects, and they include free certificates & badges.

Despite assurances of sustained instructor earnings, Udemy’s policy changes delivered a $30 million pay cut, sacrificing creator income to bolster its stock value.

Although Class Central lists online courses in 87 languages, courses made in English outnumber all of the others by more than six to one. English is therefore a useful language to know, even though some courses have subtitles in a range of languages. Earlier this year, we updated our list of courses to help improve your writing skills. These courses all assume some fluency in the language. But what if you do not know any English, or your English is very poor? If you do not have convenient acce