The source code in kent/src/jkOwnLib/ and the blat program is under
the following license:

    kent/src/jkOwnLib/README:

    The modules in this library generally are supporting
    the BLAT or WABA programs.  These modules are all
    copyrighted Jim Kent. License hereby is granted for
    personal, academic and non-profit purposes.  Commercial
    use is permitted only by explicit agreement with Jim Kent.

See also: http://www.kentinformatics.com/