Software Licensing

Copyleft

Copyleft licensing requires derived work to be open source.

AGPLv3

• Any derived work (Forks and repository dependency) must be open-source licensed

LGPLv3

• Forks under LGPLv3 must be open-sourced
• Proprietary software can dynamically link to LGPLv3 without declaring open-source

MPL 2

• Modified files must remain open under MPL 2.0
• New files can be propretary

Permissive

Permissive license allow derived work to be proprietary.

Apache

• Includes a patent grant to protect contributors and users from patent litigation
• Prevent trademark use by derived work

MIT

• Permits derived work to be proprietary if the original copyright and license notice are included

Public Domain

Any work produce is in public domain with the creator having no control over their work.

Unlicense

• Waives copyright, place work in public domain

Proprietary Licenses

Licenses that does not allow distribution of source code without permission.