Software :
Applications Software
7 Ways to Legally Obtain Software
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Commercial Software
Public Domain Software
Shareware
Freeware
Rentalware
Free Software
Open Source Software
Commercial Software
• Copyrighted
• License must be purchased
– Examples :
• Microsoft Office
• Adobe Photoshop
Public Domain Software
• Not copyrighted
• Legal to copy
• No one owns the rights to restrict its use
– Examples :
• WorldWideWeb - the first web browser
• HippoDraw - statistical analysis software
• GameSWF - a Flash video / game player
Shareware
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Copyrighted
Download for free, then pay if you use it
Some called “demo” or “trial” software
For evaluation purpose
Freeware
• Copyrighted
• Available for free
• There are no time limitation
– Examples :
• Mozilla Firefox
• Opera web browser
• Google Chrome
Rentalware
• Copyrighted
• Lease for a fee
• Commonly per year fee
Free Software
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Founded by Richard Stallman
Software include with source code
Free for alter it
With “copyleft” / GNU
http://www.free-soft.org
Open Source
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Founded by Eric Raymond 1998
Remove “Free” from “Free Software”
Software include with source code
Free for alter it
http://www.opensource.org
Version and Release
• Version
– for big changes
• Ex : 2.0, 3.0, 4.0 ...
• Release
– For small changes in the same version
• Ex : 2.1, 2.2, 2.3 ...
Software Lisence Type
• Site licenses
• Allow software to be used on all computers at a specific
location
• Concurrent-user license
• Allows a specified number of copies to be used at one time
• May require additional license-monitoring software
• Multiple-user license
• Specifies the number of people who may use the software
• Single-use license
• Limits the software to one user at a time
Other Software Categories
• Pirated software
• Software obtained illegally in violation of copyright
• Software & Industry Information Association Anti-Piracy
division prosecutes violators of software copyright laws
http://www.siia.net/piracy/
• Don’t pirate software!!!
• Abandonware
• Software that is no longer being sold or supported by its
publisher
• Subject to copyright for 95 years from date of publication
Kinds of Software
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Entertainment Software
Education Software
Offices Software
Bussiness Software
Spesific Software
Entertainment Software
• Games
• Music Player
• Movie Player
Education Software
Offices Software
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Word Processing
Spreadsheet
Graphic Presentation
Communications
Data Management
Word Processing
Spreadsheet
Graphic Presentation
Communication
Data Management
Bussiness Software
• POS (Point Of Sales)
http://demoreborn.arasso.net
Spesific Software