Massive list of free certificates and badges for developers in data science, software development, and more.

In 2027, Duolingo is shutting down Duolingo for Schools, its free classroom tool that helped teachers track student progress and assign lessons. Coursera did the same thing last year, ending free course audits. It seemed sudden, but the signs were there. Class Central tracked the Duolingo for Schools shutdown too. And this time, the signs were all across social media platforms. Why the Shutdown? Duolingo for Schools was launched in 2015. Within a week, more than 10,000 teachers and 25,000 stud

When Class Central covered the Coursera-Udemy merger completion, Hugo Sarrazin’s role was unclear. Not anymore. He’s joining Avalara, a tax and compliance company, as CEO. Here’s the thing. Neither an SEC filing nor a public post announced the departure of the 14-month CEO, which led Udemy to its first profitable year and the $2.5 billion all-stock merger. The Quiet Exit The Coursera-Udemy merger was completed on May 11, 2026. Coursera even released a completion 8-K once it was done. Sarrazin,