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.

Here is a comprehensive guide with the best online courses to learn CSS Layout (Grid, Flexbox, and Positioning).

In 2025, Udemy hit its first profitable year, but its Q4 2025 ended in a loss. A few days after announcing the numbers, the stock reached an all-time low. The company didn’t have an earnings call, nor did it release an investor presentation because of its pending merger with Coursera. The earnings call would have been helpful to break down the numbers, since the numbers look bleak from an investor’s perspective. The overall revenue has fallen for the first time since the company went public, a

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

Swayam is India’s national online course platform, designed to support the country’s National Education Policy, which entails improving access to quality education in India. At Class Central, we’ve been paying attention to Swayam since the very beginning. It launched in beta in 2016, and has now reached over 56 million enrollments with over 5.2 million certificates issued. It’s been growing rather fast. Swayam offers courses in a wide variety of disciplines, including from prestigious institut

The 2024 edition of the conference will be held on July 2–5 in South Africa, at Stellenbosch University.