Since December 16th, ChatGPT Search traffic to Class Central has grown threefold, becoming one of the site’s top 5 traffic sources

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%

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.

The $34.5M price tag for Duolingo’s NextBeat acqui-hire came to light after Class Central dug through its quarterly SEC report.

I’ve written guides on sewing and embroidery, and quilting is where both skills meet. You piece fabric together the way you would for any sewing project, then stitch through three layers, top, batting, and backing, to hold it all together. Done well, it turns leftover fabric and a bit of patience into a beautiful blanket that lasts. I looked at courses that teach quilting as a repeatable process rather than a one-off project: how to cut accurately, piece a block so your seams line up, and fini

Analyzing edX’s latest tax returns offers valuable insights and context for its acquisition motivations.