Richard Stallman created the concept of copyleft to prevent his work from being used in proprietary software, allowing the use of his work by anyone under specific terms.

Authors

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

Sources

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

Referenced by nodes (3)

• copyleft concept
• proprietary software concept
• Richard Stallman entity