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

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

Frustrated with handling unpaid customer support for a platform with 8.6 million paying subscribers, Duolingo’s Reddit community takes dramatic action against the $16.2 billion language learning company

Build reliable systems at scale with courses that teach automation, resilience, and DevOps practices from tech giants.