By Patrick Hanahan

Public Domain

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

  1. Copyright has expired
  2. Created using public money
  3. Creator donated work into the public domain.

Example: Classic Literature or Classic Music


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


Gives you a document or application for free for either a limited amount of time or only a part of it, pay for full version.

Example: Lite Games, Free trial, Demos

All Rights Reserved

You may use the work, but only in the ways stated in the license agreement.

Example: Most software bought from stores

Open Source

Software that includes the source code with the idea that someone can record it.

Example: Firefox or Chrome (add-ons/extensions), Hit Record