Most open source code has some license dictating its use. Some are wide open, others are not. Some just don’t want you adding it to a commercial app and making money off it. Does that physically stop anybody? Of course not. The source is right there.

I’ve ran into libraries that are free and open for basically everybody. If you’re a company though…pay a license fee. Didn’t matter if the app you wanted to include it in is available to the public or not. Corporate use is not free.

Open but not free.