Subscriber growth and revenue are accelerating even as revenue per user declines. Udemy built its empire on a simple idea: anyone could create a course, and anyone could buy one. That marketplace model made Udemy famous and made millionaires out of its top instructors. Now the company is deliberately killing it. In Q3 2025 earnings call, Udemy’s CFO admitted they are “intentionally reducing” single course sales to push users toward subscriptions. The logic is straightforward: Udemy keeps 82.5%

Scanning FutureLearn’s catalog, we found more than 70 free certificates on business, teaching, health, and more.

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

Here are the best online courses and resources to learn Lisp and its most popular dialects: Common Lisp, Scheme, Racket, and Emacs Lisp.