NASA Open Source Agreement
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The NASA Open Source Agreement (NOSA) is an OSI-approved software license. The United States National Aeronautics and Space Administration (NASA) releases some software (such as NASA World Wind) under this license.
Legislation and NASA policy
Publication of open source software fits in with Agency functions outlined under the National Aeronautics and Space Act, that is, to "provide for the widest practicable and appropriate dissemination of information concerning its activities and the results thereof."
The NOSA was a point of discussion for NASA's Open Source Summit in March 2011.
G. Each Contributor represents that its Modification is believed to be Contributor's original creation and does not violate any existing agreements, regulations, statutes or rules, and further that Contributor has sufficient rights to grant the rights conveyed by this Agreement.
The FSF states that "free software development depends on combining code from third parties", and because of this requirement that changes must be "original creation" the license is not a free software licence.
In 2018 a consensus study report of the National Academies of Sciences, Engineering, and Medicine acknowledged that uncertainties about the interpretation of the license served as "a barrier to contributing to NOSA-licensed software."
- Debian package description for NASA World Wind. Retrieved on January 8, 2016.
- "NASA Open Source Agreement". Various Licenses and Comments about Them. Free Software Foundation. Retrieved June 17, 2009.
- Licenses & Standards Open Source Initiative
- "The National Aeronautics and Space Act". Retrieved January 23, 2008.
- "NASA - Open Source Summit 2011".
- "Licenses by Name". Open Source Initiative. Open Source Initiative. Retrieved June 28, 2018.
- "2.4.2 Other Licenses and Compatibility". Open Source Software Policy Options for NASA Earth and Space Sciences. Washington, DC: The National Academies Press. 2018. ISBN 978-0-309-48271-4. doi:10.17226/25217