Copyright
Henri Hopgood
Copyright
A collection of rights granted to the author of a piece of work.
Public Domain
Public Domain is not protected by copyright law because the copyright has expired, the work was created using public money, or the creator donated the work to the public domain.
Example: Classical Music because the copyright has expired.Freeware
Copyright work that you can use, copy, or give away for free.
Example: ITunes, Safari, GoogleShareware
Use copyrighted work for free but only for limited time.
Example: Promo AppsAll Rights Reserved
Only allows purchaser to use software according to the details in the license agreement.
Example: MicrosoftOpen Source
Software that includes the source code so someone can improve it.
Example: Firefox and Chrome allows user to improve software.