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This page hosts the active draft for the Open Source Hardware (OSHW) Statement of Principles and Definition.  The statement of principles is a high-level overview of the ideals of open-source hardware.  The definition is an attempt to apply those ideals to a standard by which to evaluate licenses for hardware designs.
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This page hosts the current proposed Open Source Hardware (OSHW) Draft Statement of Principles and Definition.  The statement of principles is a high-level overview of the ideals of open-source hardware.  The definition is an attempt to apply those ideals to a standard by which to evaluate licenses for hardware designs.
  
To endorse the Open Source Hardware Definition 1.0, please go
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The widely endorsed definition draft 0.3 is on [http://freedomdefined.org/OSHW this page]; [http://freedomdefined.org/OSHW_older_drafts older drafts are also available].
[http://freedomdefined.org/OSHW#Endorsements here]
 
  
Compiled community feedback from previous versions of the Definition can be found [http://www.openhardwaresummit.org/compiled-feedback/ here]
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If you would like to propose changes to the statement of principles or definition by editing this page, please do so with extreme care and consideration; this draft definition has been crafted with the input of many individuals with diverse backgrounds and points of view.  (And, please edit while signed in, not anonymously.)
 
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[http://freedomdefined.org/OSHW_older_drafts Older drafts of the definition are also available].
 
 
 
If you would like to propose changes to the statement of principles or definition, please edit while signed in, not anonymously.
 
 
 
''Please join the conversation about the definition [http://openhardwaresummit.org/forum here]''
 
  
== Open Source Hardware (OSHW) Statement of Principles 1.1 ==
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== Open Source Hardware (OSHW) Statement of Principles (Draft) ==
  
 
Open source hardware is hardware whose design is made publicly available so that anyone can study, modify, distribute, make and sell the design or hardware based on that design. The hardware's source, the design from which it is made, is available in the preferred format for making modifications to it.  Ideally, open source hardware uses readily-available components and materials, standard processes, open infrastructure, unrestricted content, and open-source design tools to maximize the ability of individuals to make and use hardware. Open source hardware gives people the freedom to control their technology while sharing knowledge and encouraging commerce through the open exchange of designs.
 
Open source hardware is hardware whose design is made publicly available so that anyone can study, modify, distribute, make and sell the design or hardware based on that design. The hardware's source, the design from which it is made, is available in the preferred format for making modifications to it.  Ideally, open source hardware uses readily-available components and materials, standard processes, open infrastructure, unrestricted content, and open-source design tools to maximize the ability of individuals to make and use hardware. Open source hardware gives people the freedom to control their technology while sharing knowledge and encouraging commerce through the open exchange of designs.
  
== Open Source Hardware (OSHW) Definition 1.1 ==
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== Open Source Hardware (OSHW) Definition (Draft Version 0.4) ==
  
''OSHW Draft Definition 1.0 is based on the [http://opensource.org/docs/osd Open Source Definition] for Open Source Software and [http://freedomdefined.org/OSHW_older_drafts draft OSHW definition 0.5]. The definition is derived from the [http://www.opensource.org/docs/osd Open Source Definition], which was created by Bruce Perens and the Debian developers as the Debian Free Software Guidelines. Videos and Documentation of the Opening Hardware workshop which kicked off the below definition are available [http://www.eyebeam.org/projects/Opening-hardware here].''
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''OSHW Draft Definition 0.4 is based on the [http://opensource.org/docs/osd Open Source Definition] for Open Source Software and [http://freedomdefined.org/OSHW_older_drafts draft OSHW definition 0.3]. The definition is derived from the [http://www.opensource.org/docs/osd Open Source Definition], which was created by Bruce Perens and the Debian developers as the Debian Free Software Guidelines. Videos and Documentation of the Opening Hardware workshop which kicked off the below definition are available [http://www.eyebeam.org/projects/Opening-hardware here].''
 
''Please join the conversation about the definition [http://openhardwaresummit.org/forum here]''
 
''Please join the conversation about the definition [http://openhardwaresummit.org/forum here]''
  
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'''1. Documentation'''
 
'''1. Documentation'''
  
The hardware must be released with documentation including design files, and must allow modification and distribution of the design files. Where documentation is not furnished with the physical product, there must be a well-publicized means of obtaining this documentation for no more than a reasonable reproduction cost, preferably downloading via the Internet without charge. The documentation must include design files in the preferred format for making changes, for example the native file format of a CAD program. Modification of the design must be possible and feasible with CAD programs available under an OSI-approved license. If open-source CAD programs are not available, then the design MUST be modifiable with multiple independent and readily available CAD software packages. Proprietary CAD vendor lock-in is not allowed. Deliberately obfuscated design files are not allowed.  Intermediate forms analogous to compiled computer code -- such as printer-ready copper artwork from a CAD program -- are not allowed as substitutes.  The license may require that the design files are provided in fully-documented, open format(s). A good test is "Would the design files, and all the required software to edit/modify/view the designs and documentation meet the Debian Free Software guidelines and social contract"
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The hardware must be released with documentation including design files, and must allow modification and distribution of the design files. Where documentation is not furnished with the physical product, there must be a well-publicized means of obtaining this documentation for no more than a reasonable reproduction cost, preferably downloading via the Internet without charge. The documentation must include design files in the preferred format for making changes, for example the native file format of a CAD program.   Deliberately obfuscated design files are not allowed.  Intermediate forms analogous to compiled computer code -- such as printer-ready copper artwork from a CAD program -- are not allowed as substitutes.  The license may require that the design files are provided in fully-documented, open format(s).  
  
 
'''2.  Scope'''
 
'''2.  Scope'''
  
The documentation for the hardware must clearly specify what portion of the design, if not all, is being released under the license.  
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The documentation for the hardware must clearly specify what portion of the design, if not all, is being released under the license.  The license may restrict the bill of materials to components which are generic, open-source, or otherwise non-proprietary.  Alternatively, the design may incorporate the use of non-open components, for example if a manufacturer releases the design for a development board that incorporates a proprietary integrated circuit. The license may not require that any specific components, goods or services be used.
  
 
'''3. Necessary Software'''
 
'''3. Necessary Software'''
  
If the licensed design requires software, embedded or otherwise, to operate properly and fulfill its essential functions, then the license may require that one of the following conditions are met:
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If the hardware released under the license requires software, embedded or otherwise, to operate properly and fulfill its essential functions, then the license may require that one of the following conditions are met:
  
 
a)  The interfaces are sufficiently documented such that it could reasonably be considered straightforward to write open source software that allows the device to operate properly and fulfill its essential functions. For example, this may include the use of detailed signal timing diagrams or pseudocode to clearly illustrate the interface in operation.
 
a)  The interfaces are sufficiently documented such that it could reasonably be considered straightforward to write open source software that allows the device to operate properly and fulfill its essential functions. For example, this may include the use of detailed signal timing diagrams or pseudocode to clearly illustrate the interface in operation.
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'''4. Derived Works'''
 
'''4. Derived Works'''
  
The license shall allow modifications and derived works, and shall allow them to be distributed under the same terms as the license of the original work.  The license shall allow for the manufacture, sale, distribution, and use of products created from the design files, the design files themselves, and derivatives therof.
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The license shall allow modifications and derived works, and shall allow them to be distributed under the same terms as the license of the original hardware.  The license shall allow for the manufacture, sale, distribution, and use of products created from the design files, the design files themselves, and derivatives therof.
 
   
 
   
 
'''5. Free redistribution'''
 
'''5. Free redistribution'''
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'''6. Attribution'''
 
'''6. Attribution'''
  
The license may require derived documents, and copyright notices associated with devices, to provide attribution to the licensors when distributing design files, manufactured products, and/or derivatives thereof. The license may require that this information be accessible to the end-user using the device normally, but shall not specify a specific format of display. The license may require derived works to carry a different name or different version number from the original design.
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The license may require derived works to provide attribution to the original designer when distributing design files, manufactured products, and/or derivatives thereof. The license may also require derived works to carry a different name or version number from the original design.
  
 
'''7. No Discrimination Against Persons or Groups'''
 
'''7. No Discrimination Against Persons or Groups'''
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'''8. No Discrimination Against Fields of Endeavor'''
 
'''8. No Discrimination Against Fields of Endeavor'''
  
The license must not restrict anyone from making use of the work (including manufactured hardware) in a specific field of endeavor. For example, it must not restrict the hardware from being used in a business, or from being used in nuclear research.
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The license must not restrict anyone from making use of the hardware in a specific field of endeavor. For example, it must not restrict the hardware from being used in a business, or from being used in nuclear research.
  
 
'''9. Distribution of License'''
 
'''9. Distribution of License'''
  
The rights granted by the license must apply to all to whom the work is redistributed without the need for execution of an additional license by those parties.
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The rights attached to the hardware must apply to all to whom the product or documentation is redistributed without the need for execution of an additional license by those parties.
  
 
'''10. License Must Not Be Specific to a Product'''
 
'''10. License Must Not Be Specific to a Product'''
  
The rights granted by the license must not depend on the licensed work being part of a particular product. If a portion is extracted from a work and used or distributed within the terms of the license, all parties to whom that work is redistributed should have the same rights as those that are granted for the original work.
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The rights attached to the hardware must not depend on the hardware being part of a particular larger product. If the hardware is extracted from that product and used or distributed within the terms of the hardware license, all parties to whom the hardware is redistributed should have the same rights as those that are granted in conjunction with the original distribution.
  
 
'''11. License Must Not Restrict Other Hardware or Software'''
 
'''11. License Must Not Restrict Other Hardware or Software'''
  
The license must not place restrictions on other items that are aggregated with the licensed work but not derivative of it. For example, the license must not insist that all other hardware sold with the licensed item be open source, nor that only open source software be used external to the device.
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The license must not place restrictions on other hardware or software that may be distributed or used with the licensed hardware. For example, the license must not insist that all other hardware sold at the same time be open source, nor that only open source software be used in conjunction with the hardware.
  
 
'''12. License Must Be Technology-Neutral'''
 
'''12. License Must Be Technology-Neutral'''
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:''In no case does copyright protection for an original work of authorship extend to any idea, procedure, process, system, method of operation, concept, principle, or discovery, regardless of the form in which it is described, explained, illustrated, or embodied in such work.''
 
:''In no case does copyright protection for an original work of authorship extend to any idea, procedure, process, system, method of operation, concept, principle, or discovery, regardless of the form in which it is described, explained, illustrated, or embodied in such work.''
  
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== Endorsements ==
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This OSHW Draft Definition (0.4) is under active discussion and editing at the present time.  Please do not endorse  this definition, as it may still change.  If you feel that the present version is "golden," and would like to endorse it as-is, please (1) move it to the [http://freedomdefined.org/OSHW_older_drafts old draft page] and endorse it there and (2) increment the version number as shown on this page (from 0.4 to 0.5, for example) so that others may continue making changes under the new version number.
  
 
''Please join the conversation about the definition [http://openhardwaresummit.org/forum here]''
 
''Please join the conversation about the definition [http://openhardwaresummit.org/forum here]''

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