Magpie uses the MIT License:

Copyright (c) 2009 Robert Nystrom

Permission is hereby granted, free of charge, to

any person obtaining a copy of this software and

associated documentation files (the "Software"),

to deal in the Software without restriction,

including without limitation the rights to use,

copy, modify, merge, publish, distribute,

sublicense, and/or sell copies of the Software,

and to permit persons to whom the Software is

furnished to do so, subject to the following

conditions:

The above copyright notice and this permission

notice shall be included in all copies or

substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT

WARRANTY OF ANY KIND,

EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO

THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A

PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO

EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE

LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

WHETHER IN AN ACTION OF CONTRACT, TORT OR

OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.

In other words, you can do pretty much what you

want, but don't come cryin' to me if you put your

eye out on it.