I don't speak English well
I can't found LICENSE file on the repository.
I guess its license is same as under this repository. github.com/.../pc-nrfconnect-core
Is it right? If I overlooked LICENSE file, Please tell me the link.
6/23 added
Sorry, What I meant was on situation like app user. It's not about source code.
If I use this apps for commercial use,What should I pay for Nordic.