Copyright and Liscenses

Copyright

Copyright is the collection of rights granted to the author of a piece of work.

Kinds of Copyright

Public Domain

Work isn’t protected by copyright law because it either expired or was donated for public domain.


Ex: Works by Shakespeare and Beethoven

Freeware

Copyrighted work that you can use for free.


Ex: iTunes and Safari

Shareware

Copyrighted work that you can use for free, but for a limited time. Afterwards, you must pay to use.


Ex: Lite version of games or 30 day free trial

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All Rights Reserved

Only purchaser can use under seller’s rules.


Ex: Best-Buy purchases (Games, DVDs, etc.)

Open Source

Software that other people can add from a source code.


Ex: Chrome Add-ons and Extensions