GNU General Public License v2.0
StrongUsed by: Linux Kernel, GIMP
Description
An older copyleft license that requires modifications to be open-source but allows linking with proprietary software under certain conditions.
Key Features
- Strong copyleft
- No patent clauses
- No network use provisions
- Linking exception
History & Context
Released in 1991. Foundation for open source movement. Still widely used despite newer version.
Compatibility
| License | Compatibility |
|---|---|
| With gpl | GPL-3.0 can incorporate GPL-2.0 code |
| With mit | GPL-2.0 can incorporate MIT-licensed code |
| With bsd | GPL-2.0 can incorporate BSD-licensed code |
| With proprietary | No |
License Details
Copyleft Strength
Strong
Legal Enforceability
Proven in court cases
Notable Projects
Linux KernelGIMP
License Provisions
AttributionRequired
Source codeComplete corresponding source
Modification clauseMust share under same license
WarrantyDisclaimer included