Tham khảo Giấy_phép_BSD

  1. 1 2 3 4 5 "Original BSD license". Various Licenses and Comments about Them. Free Software Foundation. Retrieved 2 October 2010.
  2. 1 2 3 4 5 6 "The BSD License:Licensing". Open Source Initiative. Archived from the original on 29 November 2009. Retrieved 6 December 2009.
  3. 1 2 3 "To All Licensees, Distributors of Any Version of BSD". University of California, Berkeley. 1999-07-22. Retrieved 2006-11-15.
  4. ↑ Richard Stallman. "The BSD License Problem". Free Software Foundation. Archived from the original on 12 November 2006. Retrieved 2006-11-15.
  5. ↑
  6. 1 2 3 4 5 "Modified BSD license". Various Licenses and Comments about Them. Free Software Foundation. Retrieved 2 October 2010.
  7. ↑ Comparing the BSD and GPL Licenses on Technology Innovation Management Review by Bruce Montague (on October 2007)
  8. 1 2 3 4 5 "FreeBSD license". Various Licenses and Comments about Them. Free Software Foundation. Retrieved 2 October 2010.
  9. ↑ "The FreeBSD Copyright". The FreeBSD Project. Archived from the original on 25 November 2009. Retrieved 6 December 2009.
  10. ↑ “OpenBSD Copyright Policy”. Truy cập ngày 17 tháng 7 năm 2016. 
  11. ↑ Montague, Bruce (13 tháng 11 năm 2013). “Why you should use a BSD style license for your Open Source Project - GPL Advantages and Disadvantages”. FreeBSD. Truy cập ngày 28 tháng 11 năm 2015. In contrast to the GPL, which is designed to prevent the proprietary commercialization of Open Source code, the BSD license places minimal restrictions on future behavior. This allows BSD code to remain Open Source or become integrated into commercial solutions, as a project's or company's needs change. In other words, the BSD license does not become a legal time-bomb at any point in the development process. In addition, since the BSD license does not come with the legal complexity of the GPL or LGPL licenses, it allows developers and companies to spend their time creating and promoting good code rather than worrying if that code violates licensing. 
  12. ↑ Hanwell, Marcus D. (28 tháng 1 năm 2014). “Should I use a permissive license? Copyleft? Or something in the middle?”. opensource.com. Truy cập ngày 30 tháng 5 năm 2015. Permissive licensing simplifies things One reason the business world, and more and more developers [...], favor permissive licenses is in the simplicity of reuse. The license usually only pertains to the source code that is licensed and makes no attempt to infer any conditions upon any other component, and because of this there is no need to define what constitutes a derived work. I have also never seen a license compatibility chart for permissive licenses; it seems that they are all compatible. 
  13. ↑ “Licence Compatibility and Interoperability”. Open-Source Software - Develop, share, and reuse open source software for public administrations. joinup.ec.europa.eu. Bản gốc lưu trữ ngày 17 tháng 6 năm 2015. Truy cập ngày 30 tháng 5 năm 2015. The licences for distributing free or open source software (FOSS) are divided in two families: permissive and copyleft. Permissive licences (BSD, MIT, X11, Apache, Zope) are generally compatible and interoperable with most other licences, tolerating to merge, combine or improve the covered code and to re-distribute it under many licences (including non-free or proprietary).  Đã bỏ qua tham số không rõ |df= (trợ giúp)
  14. ↑ Torvalds at LinuxCon Part III: Permissive Licenses and Org Charts FOSS Force, 2016
  15. ↑ “Top 20 licenses”. Black Duck Software. 19 tháng 11 năm 2015. Truy cập ngày 19 tháng 11 năm 2015. 1. MIT license 24%, 2. GNU General Public License (GPL) 2.0 23%, 3. Apache License 16%, 4. GNU General Public License (GPL) 3.0 9%, 5. BSD License 2.0 (3-clause, New or Revised) License 6%, 6. GNU Lesser General Public License (LGPL) 2.1 5%, 7. Artistic License (Perl) 4%, 8. GNU Lesser General Public License (LGPL) 3.0 2%, 9. Microsoft Public License 2%, 10. Eclipse Public License (EPL) 2% 
  16. ↑ Balter, Ben (9 tháng 3 năm 2015). “Open source license usage on GitHub.com”. github.com. Truy cập ngày 21 tháng 11 năm 2015. "1 MIT 44.69%, 2 Other 15.68%, 3 GPLv2 12.96%, 4 Apache 11.19%, 5 GPLv3 8.88%, 6 BSD 3-clause 4.53%, 7 Unlicense 1.87%, 8 BSD 2-clause 1.70%, 9 LGPLv3 1.30%, 10 AGPLv3 1.05% 
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