In 2025, Harvard CS50 offers 10 free certificate courses on topics such as computer science, Python, and AI.

In January each year, Class Central publishes a list of the most popular online courses released by major course providers in the previous 12 months. The most popular course in the latest list turned out to be Google AI Essentials, launched by Coursera in April, 2024. More than 900,000 learners have enrolled, more than the combined total of all new courses launched on edX, FutureLearn, and Swayam in the same year. What’s even more surprising is that (unlike the vast majority of Coursera course

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

What if I told you that one man’s frustration with an elevator breakdown led to the creation of the fastest-growing and most-beloved programming languages today? Seventeen years ago, Graydon Hoare’s ordinary evening turned pivotal when an out-of-order elevator at his apartment building forced him to trek up 21 stories. A Mozilla software engineer, Hoare’s frustration wasn’t just with the climb, but with the fact that the tools of his trade couldn’t even make an elevator that works without cras

Ryan Panchadsaram, course instructor. I recently took OKR Certification: Leadership and Goal Setting by Measure What Matters on Coursera. This course was added to the Class Central catalog in September 2022. Why I Chose this Course At Class Central, we recently started setting quarterly OKRs to boost the company’s performance. I previously worked in the banking industry and was familiar with Key Performance Indicators (KPIs), but had never heard of OKRs. I decided to find out more by taking thi

Master Cinema 4D: From basics to pro techniques in modeling, MoGraph, Redshift, and more.