Weak Licence Examples
This information is for general guidance and is NOT legal advice
| Provides copyright protection | Can be used in commercial applications | Copyfree | Provides explicit patent licence | Can be used in proprietary solutions | Copyleft | Additional notes | |
|---|---|---|---|---|---|---|---|
| Apache Licence 2.0 | Yes | Yes | No | Yes | Yes | None | Requires preservation of copyright notice and disclaimer |
| Code Project Open License (CPOL) | Yes | Limited (not in isolation) |
No | Yes | Yes | None | Not OSI or FSF approved Subjectively forbids use in “illegal, immoral or improper material” |
| ISC License (ISC) | Yes | Yes | Yes | No | Yes | None | Essentially identical to the Simplified BSD License |
| Microsoft Public License (Ms-PL) | Yes | Yes | Yes | Yes | Yes | None | |
| MIT License (a.k.a. Expat License) | Yes | Yes | Yes | No | Yes | None | Essentially identical to the Simplified BSD License |
| Modified (3-Clause) BSD License | Yes | Yes | Yes | No | Yes | None | |
| Public Domain | No | Yes | Yes | No | Yes | None | Not a license, but a dedication to the public domain |
| Simplified (2-Clause) BSD License | Yes | Yes | Yes | No | Yes | None | |
| zlib/libpng License | Yes | Yes | Yes | No | Yes | None |