The Open Source MovementAccelerating Software Development

Joshua L. Davis

joshua.davis@gtri.gatech.edu

Open Source Software

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Free Software

Libre Software

Free/Open Source Software (FOSS or F/OSS)

Free/Libre/Open Source Software (FLOSS)

Non-Commercial Software

Freeware

Shareware

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Open Source Software

Open Architecture

Open System

Open Interface/Standard/Format

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Open Source Software

Remember to think of “free” as in “free speech,” not as in “free beer.”

Richard M. Stallman (1996)

The United States cannot retreat behind a Maginot Line

of firewalls or it will riskbeing overrun.

Cyberwarfare is like maneuver warfare,

in that speed and agility matter most.

William J. Lynn III(2010)

© david plas photography

USER CANNOT CLEAN, FIX, MODIFY, OR UPGRADE

Open Source Software

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Increased Agility/Flexibility

Faster Delivery

Increased Innovation

Information Assurance & Security

Lower Cost

Open Source Software

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"software for which the human-readable source code is available for use, study, re-use, modification, enhancement, and re-

distribution by the users of that software"*

*Reference: 16 October 2009 memorandum from the DoD CIO, "Clarifying Guidance Regarding Open Source Software (OSS)"

Open Source Software

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Commercial Off-The-Shelf (COTS)

Lead efforts of discovery, collaboration, and seeding development in open source software and practices that produce a measurable impact

Homeland Open Security Technology (HOST)

Open Source Software

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Commercial Off-The-Shelf (COTS)

www.mil-oss.org

Mil-OSS WG3 · August 2011

Homeland Open Security Technologies (HOST)

Questions

Joshua L. Davis

joshua.davis@gtri.gatech.edu