tgif+ のコピーライトは，tgif のそれに従います． tgif のコピーライトを 以下に引用します．
Copyright (C) 1990, 1991, William Chia-Wei Cheng
William Cheng ("Author") grants to the party hereby receiving "tgif" from
an authorized provider ("Recipient") a non-exclusive, royalty-free
license to copy, display, distribute, and produce derivative works of
"tgif", provided that the above copyright notice appears in all copies
made of "tgif" and both the copyright notice and this license appear
in supporting documentation, and that the name of Author not be used
in advertising or publicity pertaining to "tgif".
"Tgif" is provided "as is" without express or implied warranty. Author does not and cannot warrant the performance of "tgif" or the results that may be obtained by its use or its fitness for any specific use by Recipient or any third party. In no event shall Author become liable to Recipient or any other party, for any loss or damages, consequential or otherwise, including but not limited to time, money, or goodwill, arising from use or possession, authorized or not, of "tgif" by Recipient or any other party.