An overview of CS50P, Harvard’s Introduction to Python, and your path to a free certificate .

Here is a guide with the best online courses, tutorials and resources to learn Go, a statically-typed, compiled programming language designed by Google engineers.

Update (April 2026): On April 9, shareholders of both companies voted overwhelmingly to approve the merger — 99.4%% at Coursera, 99.9%% at Udemy. The deal is expected to close in the second half of 2026. I also dug into the 300-page merger prospectus and found that Coursera approached Udemy three times over two years before getting a yes, and that Pluralsight’s owner made a competing cash offer. Read the full merger history. TL;DR Coursera is acquiring Udemy in an all-stock deal worth ~$1.8 b

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