Copyright:

Collection of rights granted to author of a piece of work

Public Domain:

Isn’t protected by copyright law because it needs one of the following conditions:

- Copyright has expired

- Work was created using public money

- Creator donated the work to the public domain

Freeware:

Copyrighted work that you can copy, use, or give away for free

Shareware:

Copyrighted work that you can copy, share, and use for free for a limited time

All Rights Reserved:

Allows the purchaser to use the software according to the details spelled out in the license agreement

Open Source:

Software that includes the source code with the idea that someone can improve it