I don’t see an ee folder or ee/LICENSE so according to their license, everything in their repo seems open source although annoying they did this instead of just a real OSI recognized license.

Not having install docs isn’t the end of the world if I can figure it out and contribute back. But I don’t want to waste my time if it’s not actually open source and my work will be commercialized by a single org.

I don’t mind contributing for everyone to do whatever (including commercialization) but am not into doing free labor for a profit enterprise.