4. • In our projects, every solution is in open
source license.
• We studied on open source licenses.
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5. OpenSource?
“In production and development, open source
is a philosophy, or pragmatic methodology
that promotes free redistribution and access
to an end product’s design and
implementation details.”
- http://en.wikipedia.org/wiki/Open_source
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6. OpenSource?
• In historical view, it is kind of revision of
FreeSoftware.
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7. OpenSource?
• User can ...
execute, copy, distribute, modify
access to the source code, upgrade.
• User must ...
keep documentation of the license.
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8. OpenSource & Patents
• Generally, the law implicitly assures the
patents of OpenSource.
• However in these days, there are lots of law
suits on patents.
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9. List of licenses
• GPL(General Public License)
• LGPL(Lesser GPL)
• BSD(Berkeley Software Distribution)
• MPL(Mozilla Public License)
• APL(Apache Public License)
• ....
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11. Specific License
• Android Application: APL
• Node.js: depend on each module
• V8 Engine: partial BSD
• C-Ares(DNS module): partial MIT
• etc.
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