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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
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.