BSD 3-Clause 'New' or 'Revised' License
NoneUsed by: Original BSD OS, PostgreSQL
Description
A permissive license similar to BSD-2 but includes a clause preventing the use of contributors' names for promotion without permission.
Key Features
- Minimal restrictions
- No patent clauses
- No trademark provisions
- Endorsement restriction
History & Context
Evolved from original 4-clause BSD license in the 1990s. Addresses endorsement concerns.
Compatibility
| License | Compatibility |
|---|---|
| With gpl | Compatible with all GPL versions |
| With mit | Self-compatible |
| With bsd | Self-compatible |
| With proprietary | Yes |
License Details
Copyleft Strength
None
Legal Enforceability
Proven in court cases
Notable Projects
Original BSD OSPostgreSQL
License Provisions
AttributionRequired
Source codeNo requirement
Modification clauseNone
WarrantyDisclaimer included