The source code of the NavyCraft fork owned and maintained by Dabblecraft Inc is provided free of charge.
However All forks of this code are required to be open source on the platform GitHub as a fork. Any Private and/or Commerical use is strictly Prohibited Unless you have received written Authorization from Dabblecraft Inc. Any unauthorized Private and/or Commerical use is Strictly Prohibited and Dabblecraft Inc will take any/all necessary action.