Copyright licenses
Know your stuff before you steal it.
Public Domain
The piece of work that belongs to the public because the Copyright license has expired, it was created with public money or it was donated by the creator. Ex. Classic Literature
Freeware
Copyrighted work that you use, give away or copy for free. Ex. Free AppStore games
Shareware
Copyright's that you can copy, share and use for free but only for a limited time. Ex. Free Trials
All Rights reserved
Only allows purchaser use software according to the details in the agreement. Ex. Microsoft Office
Open Source
Software that includes the source code with the idea that someone can improve it. Ex. Firefox