If Larian releases a toolset, I will buy it.
If Larian will host adventure/world servers, I will buy the service.
There is no need to give away great things for free.
Grant access and tools to the community, creative and talented people have been waiting for many years for the next big adventure/world making role playing software tools. Make a game legendary. Make Larian legendary. And earn well-deserved profits at the same time.