Korean Open Access License

Korean Open Access License (KOAL; ) is a copyleft license developed by IPLeft in South Korea based on South Korean law, which enable authors to give different kind of permission to others.

Types
There are four types of license in KOAL 2.0:
 * Permissive: No restriction on purpose of usage and derivative works. (known as Commercial-Derivative works in 1.0)
 * NoCommercial: Cannot be used in for-profit purpose. No restriction on derivative works. (known as NoCommercial-Derivative works in 1.0)
 * NoDerivatives: No restriction on purpose of usage. No derivative works allowed. (known as Commercial-NoDerivatives in 1.0)
 * NoCommercial-NoDerivatives: Cannot be used in for-profit purpose. No derivative works allowed. (known as NoCommercial-NoDerivatives in 1.0)