It is a permissive license , meaning that it allows programmers to put the code in proprietary software on the condition that the license is given with that software , and GPL-compatible , meaning that the GPL permits programmers to combine and redistribute it with software that uses the MIT License . It is a permissive license , meaning that it permits reuse within proprietary software on the condition that the license is distributed with that software . The license is also GPL-compatible , meaning that the GPL permits combination and redistribution with software that uses the MIT License .