Found in 2 comments on Hacker News
WalterGR · 2021-10-13
· Original
thread
O’Reilly Learning (formerly Safari Books Online.)
O'Reilly Learning[0] is amazing. (Of course, your employees would have to read the books...)
https://www.oreilly.com/online-learning/
It's $499 per year per user.
[0] Formerly O'Reilly Safari Books Online.