1. License Name: MIT-STK
2. Short identifier: MIT-STK
3. License Author or steward: Unknown
4. Comments: Found while looking through nixpkgs license list also included in both Fedora and Debian in the stk package.
5. License Request Url: http://tools.spdx.org/app/license_requests/471
6. URL(s):
7. OSI Status: 0
8. Example Projects:
8. License Text Diff: https://github.com/spdx/licenseRequestImages/blob/master/96c173a5-5b07-4e1b-92ff-48b559d9ffe5.png

Note:
The license closely matched with the following license ID(s): X11-distribute-modifications-variant