Open Source License
Grants freedom to use, modify, and distribute. The code flows free like data through an open port. GPL, MIT, Apache -- choose your protocol.
Proprietary License
Locked cartridge. The publisher retains all rights. Usage governed by EULA scroll. No modification permitted. Insert coin to continue.
Creative Commons
Flexible sharing framework. Attribution, ShareAlike, NonCommercial -- mix and match your permissions like equipping game modifiers.
Freeware License
Zero cost, some restrictions. The game is free but the source remains sealed. Distribute freely, modify never. A gift with conditions.
Shareware License
Try before you buy. The first three levels are free. Full game requires registration code. Send $29.95 via mail order. Remember those days?
Public Domain
No rights reserved. Released into the commons. Anyone can use it for any purpose. The ultimate open cartridge. CC0 -- zero restrictions.