Flay, under MIT License, simplifies code analysis by ignoring differences in values, braces, and programming style. It's useful for identifying code duplication and improving code quality.
In regards to its licensing, Flay is developed and distributed under the MIT license. So if you're concerned about licensing when using software tools, you can rest assured that Flay won't pose any legal issue for you.
Version 1.3.0: N/A