Mozilla Public License 2.0
File-level copyleft allowing mixing with other licenses
CopyleftPopularity: 25%
โ Permissions
๐ผ
Commercial use
The licensed material and derivatives may be used for commercial purposes.
โ๏ธ
Modification
The licensed material may be modified.
๐ฆ
Distribution
The licensed material may be distributed.
โ๏ธ
Patent use
This license provides an express grant of patent rights from contributors.
๐
Private use
The licensed material may be used and modified in private.
โ Conditions
๐
License and copyright notice
A copy of the license and copyright notice must be included.
๐
Disclose source
Source code must be made available when the licensed material is distributed.
๐
State changes
Changes made to the licensed material must be stated.
โ Limitations
๐ซ
Liability
This license includes a limitation of liability.
โ ๏ธ
Warranty
This license explicitly states that it does not provide any warranty.
โข๏ธ
Trademark use
This license does not grant trademark rights.
License Description
MPL 2.0 implements file-level copyleft, meaning modifications to MPL files must be open sourced, but they can be mixed with files under other licenses in the same project.
Use Cases
Suitable for projects where you want core files to remain open source but allow integration with proprietary code.
Considerations
- โ ๏ธOnly modifications to MPL files need to be open sourced
- โ ๏ธCan be mixed with proprietary code
- โ ๏ธProvides patent protection
- โ ๏ธDoes not grant trademark rights
Notable Projects
Firefox
Thunderbird
LibreOffice
VLC