By Copyright Policy, Stanford owns copyright to software created under certain conditions. (See Copyright Policy (RPH 5.2): http://www.stanford.edu/dept/DoR/rph/5-2.html.) Creators are able to put their works in the public domain as long as doing so does not conflict with Stanford’s contractual obligations.
"Public domain" means that no one claims any intellectual property rights for a particular work/technology. Open source and public domain are not the same thing and should not be used interchangeably.
Open Source Licenses
Very briefly, to "open source" software is to make source code available for collaborative development by anyone while the owner still maintains copyright. Depending on the type of agreement, "open source" is essentially a license that allows users to use the software free of charge and may require users to divulge source code and to not enforce any copyright for any derivative work.
There are many kinds of open source licenses, all of which have strings attached to the license. (See open source licenses at http://www.opensource.org/licenses/). Kinds of licenses range from BSD (mostly a permission to use and requirement to give proper attribution, copyright remains with the University) to GPL (all subsequent users must keep derivative software open sourced.) The University does not make any particular recommendations as to which open source license is preferable. If you wish to open source software but do not know which agreement to use, please visit http://www.opensource.org/licenses/. If you still do not know which one to use, we suggest you start with the following questions to determine what it is you would like to achieve by open sourcing the particular software.
Considerations before open sourcing software:
Was the code developed under a sponsored project, or some other sponsorship that would encumber or cause Stanford to "owe" the code to another entity?
Did you incorporate anyone else's code?
In order to open source the code, you must be certain you have the right to do so. (All the contributors should agree on whether or not to open source the software.)
Who can Open Source Stanford-owned software?
Software developed in the course of research at Stanford may be open sourced by:
If you wish to open source software, you must be careful that you are only open sourcing Stanford software and no other third party code is embedded in the software.
Options for Stanford Creators
Considerations for choosing an Open Source License:
These questions may be the basis for a discussion among the creators of the software.
opensource.ppt: PowerPoint presentation from Open Source & Research talk given in February 2005 for Stanford's OTL & OGC.
www.opensource.org: copies of many open source licenses and other resources.
creativecommons.org: has some useful tools, especially a series of questions that may help you choose an open source license