Can I sell someone else's code?

Question

Law in IT

Let's say I found the finished code on the site (codepen/github). Can I sell it to someone if I change it slightly? Doesn't this violate copyright?

Answer 1

You can. But we must be prepared for the fact that the nickname Elusive Joe will appear.

Answer 2

Depends on the code license. Some can be sold, some cannot even be compiled.