PowerPoint Presentation
What is Open Source Software? Use Modify Distribute Free Software Source Available Open Source Freeware Shareware FOSS Libre FSF OSI
PowerPoint Presentation to Accompany
Freeware: can be used at no cost for unlimited period of time Apple iTunes, 7-Zip, Evernote Shareware: offered in trial or limited period; allows you to try before you buy Microsoft, Adobe, Apple Donationware: developers accept donations Apache OpenOffice
PPT and Multimedia
the PowerPoint presentation 2 abilities specifically with regard to sounds and movies shareware or freeware Apple Macintosh 50 Prints faster Cuts down on queue
Chap 01 Presentation - University of Minnesota Duluth
Freeware • Software provided shareware, freeware, public-domain software? 6 Computer Software Microsoft PowerPoint - Chap 01 Presentation Author
Introduction & Overview
Presentation PowerPoint 3 0 File MS PowerPoint • Also, Mac freeware and shareware available from “Goodies” folder in “Goddard Backbone” AppleTalk Zone
computer basics - Delhi University
presentation products Presentation tools Microsoft PowerPoint Lotus Freelance Freeware Shareware What about software that you find on
What is Open Source Software? - NIST
Shareware Freeware •Open Source Commercially Supported Foundation Supported Community Supported Classes •Applications: Off-the-shelf products that are complete and that can be run without any additional development •Components: Software that cannot be run without additional development or integration, such as libraries or frameworks
Open Data Standards and Open Source Modeling Tools: The GPLd
Freeware/shareware, demo-ware, public domain, are not open source and outside of the FLOSS definition FLOSS itself is classed as a PowerPoint Presentation
RCARC Presentation July 2013
This presentation is Available on the Radio Central Web Page: www rcarc Several shareware and freeware programs are available Microsoft PowerPoint - RCARC
Chapter 7 Software - FTMS
Presentation Software • A presentation program is a software program that helps create a slideshow that addresses a topic • Presentation programs are often used in businesses and schools for discussing a topic or for teaching • It typically includes three major functions: – an editor that allows text to be inserted and formatted
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© Sila Solutions Group 2016
What is Open Source
Software?
Andy Murren
SilaSolutions Group
amurren@silasg.com4 Oct 2016
Andy Murren, Silas Solutions Group
amurren@silasg.com 2© Sila Solutions Group 2016
What is Open Source Software?
What is Open Source Software (OSS)?
Open Source Software is COMMERCIAL*software!
"software for which the human-readable source code is available for use, study, reuse, modification, enhancement, and redistribution by the users of that software." -DoD Originally known as ͞Free Software" referring to liberty not cost Also know as: Libre Software, Free-Libre Software, Free/Open Source Software (FOSS), Free-Libre /OpenSource Software (FLOSS)
* Per OMB and DoD rules OSS is almostalways COTS. There are a few special cases where OSS is not COTS. Consult your legal
team for specific guidance.Andy Murren, Silas Solutions Group
amurren@silasg.com 3© Sila Solutions Group 2016
What is Open Source Software?
The Open Source Definition (OSD) Criteria
1.Free Redistribution
2.Source Code
3.Derived Works
4.Integrity of The Author's Source Code
5.No Discrimination Against Persons or Groups
6.No Discrimination Against Fields of Endeavor
7.Distribution of License
8.License Must Not Be Specific to a Product
9.License Must Not Restrict Other Software
10.License Must Be Technology-Neutral
Andy Murren, Silas Solutions Group
amurren@silasg.com 4© Sila Solutions Group 2016
What is Open Source Software?
What OSS is Not
An insidious Communist plot to destroy capitalism
Substantially more or less secure than proprietary software A magic bullet to solve every problem, which may be proprietary, Open Core, OSS, or a combinationWithout cost
Without the same need to manage and update as
proprietary softwareThe same as Shareware or Freeware, which are
proprietaryAndy Murren, Silas Solutions Group
amurren@silasg.com 5© Sila Solutions Group 2016
What is Open Source Software?
Why to Use OSS
Reduced Costs
Total Cost of Ownership (TCO)
Development costs
Support costs
No per user/per instance costs
Interoperability using open standards and APIs
Can evaluate for suitability, security, etc.
Can modify to address user's needs
Avoid vendor or integrator lock-in
Ability to do rapid prototyping/proof of concept
Can share and redistribute with other organizationsAndy Murren, Silas Solutions Group
amurren@silasg.com 6© Sila Solutions Group 2016
What is Open Source Software?
Why Not to Use OSS
Software does not provide required functionality
License compliance considerations
Insufficient external support available
Incompatibilities with existing systems or softwareLack of required skills in the organization
Missing features (e.g. support for FIPS approved
encryption)Andy Murren, Silas Solutions Group
amurren@silasg.com 7© Sila Solutions Group 2016
What is Open Source Software?
Legal Status of OSS for Government Use
OSS meets the definition of Commercial software (COTS) under the FAR and DFAR It can be used by Federal agencies the same as other COTSMust comply with the software's license
Contribution of modifications to back to the developer community encouragedAndy Murren, Silas Solutions Group
amurren@silasg.com 8© Sila Solutions Group 2016
What is Open Source Software?
Types of OSS licenses
Copyright law: Must have permission to copy softwarePermission is given by a license
Proprietary software: Pay for a license to use a copy/copies OSS licenses grant more rights, but still conditional licenses Can be grouped into three categories (differing goals): Permissive: Can make proprietary versions (MIT, BSD-new)Strongly protectiǀe͗ Can't distribute proprietary ǀersion or combined (linked) into proprietary work; if give someone the binary, must give them the source if asked (GPL)
Weakly protectiǀe͗ Can't distribute proprietary ǀersion of this component, but canlink into larger proprietary work (LGPL)
The most popular OSS licenses tend to be compatibleCompatible = you can create larger programs by combining software with different licenses (must obey all of them)
Source͗ Dr. D. Wheeler ͞Open Source Software (OSS or FLOSS), Government, and Cyber Security" 2013
Andy Murren, Silas Solutions Group
amurren@silasg.com 9© Sila Solutions Group 2016
What is Open Source Software?
Dual Licenses
Software is licensed under one OSS license and either an OSS license or a Proprietary licenseOSS/OSS license scheme
Allows users to select how to use the software and license derived worksExample: Perl programming language licensed under Perl Artistic License and GNU General Public License (GPL)
OSS/Proprietary license scheme
Allows companies to distribute software as OSS and sell software proprietary licensesSometimes referred to as Open Core
Example: SonarSourceCommunity Edition licensed under GNU Lesser General Public License (LGPL), other versions available under proprietary license