The term "Copyleft" and the slogan "All rights reversed" were used by Principia Discordia and Tiny BASIC before Richard Stallman adopted the term in 1984 for the GNU operating system after receiving a manual with a "Copyleft Ⓛ" sticker from programmer Don Hopkins.

Authors

• Person: Not available Organization: Wikipedia
  Open-source license - Wikipedia

Sources

• Open-source license - Wikipedia en.wikipedia.org Wikipedia via serper

Referenced by nodes (2)

• copyleft concept
• Richard Stallman entity