Copyright
Public Domain
Isn’t protected by copyright because its outdated. (Donate into public domain)
Freeware
Freeware is copyrighted work that you can copy, use, or give away for free. (iTunes, Windows Media Player)
Shareware
Work that you can use copy and share for free for only a limited time. (Trial, Demo)
All Rights Reserved
The user has to follow the rules followed by the supplier. (all rights reserved)
Open Source
Software that provides source code so that others can use it. (Contains add ons)