open source and freeware

Open Source and Freeware

Cato ChungJose Gutierrez

Richard Stallman

• I am one of the leaders of the free software movement

GNU Project

• September 27, 1983

• Finished in 1992• “build awareness of open source, political campaigning, and distributing open source software.”

• Works to define and solve legal and structural issues for the free software community.

• holds the copyrights to GPL and enforces it when copyright infringement occurs.

• Most open-source software is protected by GPL (GNU General Public License).

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Proprietary SoftwareOpen source

≠Proprietary software

•exclusive usage rights

•Use but NOT modify!

Open Source

LINUX

APACHE

Popular Open Source Apps

Shareware • Trial Basis

•Limited to trial time or basis.

•After trial, users may have to purchase

Freeware• available to

users for FREE.

• users are NOT permitted to modify it.

VLC Media Player

REAL PLAYER SP

Bibliography & Credits

• Images retrieved from:– http://commons.wikimedia.org/

• Baldauf, K. (2010). Emerge with Computers Version 2.0 via CLMS Printed Access Card (1 ed.). Cambridge: Course Technology.