Links
[1] https://www.ifross.org/?q=en/psf-license-agreement-python
[2] https://www.ifross.org/?q=en/user/login&destination=comment/reply/482%23comment-form
[3] https://www.ifross.org/?q=en/category/lizenzordnung/open-source-lizenzen/i-lizenzen-ohne-copyleft-effekt/b-sonstige-lizenzen-ohne
[4] https://www.ifross.org/?q=en/category/tags/python-copyright
[5] https://www.ifross.org/?q=en/category/tags/psf-license-agreement
[6] https://www.ifross.org/?q=en/python-copyright
[7] https://www.ifross.org/?q=en/user/login&destination=comment/reply/452%23comment-form
[8] https://www.ifross.org/?q=en/category/lizenzordnung/open-source-lizenzen/i-lizenzen-ohne-copyleft-effekt/bsdartige-lizenzen