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

They’re offered by many platforms including Google, Meta, and X, and cover SEO, social media marketing, and more.

Both Coursera and Udemy started 2025 with new CEOs. Greg Hart took over at Coursera in February. Hugo Sarrazin started at Udemy in March. Less than a month into the job, both CEOs were in conversations to sell their companies. On April 8, Hart and Sarrazin met for the first time at ASU+GSV. The rest, as they say, is history. In my 5,000-word analysis of Coursera’s acquisition of Udemy, I called the deal rushed. Two new CEOs, both less than a year into the job, merging two public companies. I w

Looking for the best course to learn data structures and algorithms? I’ve compiled the best DSA courses to become a better coder or prepare for interviews.