Free content (English Wikipedia)

Moxley, Joe (2013). "Open Textbook Publishing". American Association of University Professors. Archived from the original on 16 June 2025. Retrieved 16 June 2025.

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Hall, G. Brent (2008). Open Source Approaches in Spatial Data Handling. Springer. p. 29. Bibcode:2008osas.book.....H. ISBN 978-3-540-74830-4. Archived from the original on 21 March 2022. Retrieved 22 March 2009.

ams.org (Global: 434^th place; English: 249^th place)

"AMS Journal price survey". Archived from the original on 28 March 2010. Retrieved 23 May 2009.

apdip.net (Global: low place; English: low place)

Liang, Lawrence (2007). "Free/Open Source Software Open Content" (PDF). Asia-Pacific Development Information Programme: e-Primers on Free/Open Source Software. United Nations Development Programme – Asia-Pacific Development Information Programme. Archived (PDF) from the original on 22 March 2012. Retrieved 23 June 2012.

ariadne.ac.uk (Global: low place; English: low place)

Andrew, Theo (30 October 2003). "Trends in Self-Posting of Research Material Online by Academic Staff". Ariadne (37). ISSN 1361-3200. Archived from the original on 20 November 2010. Retrieved 22 March 2009.

books.google.com (Global: 3^rd place; English: 3^rd place)

Guibault, Lucie; Angelopoulos, Christina (2011). Open Content Licensing: From Theory to Practice. Amsterdam University Press. p. 111. ISBN 978-90-8964-307-0. Archived from the original on 2 November 2025. Retrieved 16 July 2025.
Hall, G. Brent (2008). Open Source Approaches in Spatial Data Handling. Springer. p. 29. Bibcode:2008osas.book.....H. ISBN 978-3-540-74830-4. Archived from the original on 21 March 2022. Retrieved 22 March 2009.

case.edu (Global: 3,685^th place; English: 2,099^th place)

"Authorship Collaborative - Berne Convention". case.edu. Archived from the original on 28 May 2025. Retrieved 28 May 2025.

catb.org (Global: 7,578^th place; English: 6,551^st place)

"Goodbye, "free software"; hello, "open source"". Catb.org. Archived from the original on 2 January 2020. Retrieved 25 October 2012.
Raymond, Eric S. "Copycenter". The Jargon File. Archived from the original on 16 September 2010. Retrieved 9 August 2008.

copyright.gov (Global: 7,157^th place; English: 4,246^th place)

"What is Copyright? | U.S. Copyright Office". www.copyright.gov. Archived from the original on 28 May 2025. Retrieved 28 May 2025.
"The Importance of Orphan Works Legislation". Archived from the original on 5 January 2010. Retrieved 13 June 2011.

copyrightlaws.com (Global: low place; English: low place)

"What Is the Public Domain?". Copyrightlaws.com: Copyright courses and education in plain English. 7 March 2023. Retrieved 26 May 2025.

copyrightsociety.org (Global: low place; English: low place)

"Copyright Terms & Definitions". The Copyright Society. Archived from the original on 28 May 2025. Retrieved 28 May 2025.

cornell.edu (Global: 308^th place; English: 253^rd place)

guides.library.cornell.edu

Kopel, Matthew. "LibGuides: Copyright Services: Copyright Term and the Public Domain". guides.library.cornell.edu. Archived from the original on 28 August 2023. Retrieved 28 May 2025.

creativecommons.org (Global: 580^th place; English: 287^th place)

"About CC Licenses". Creative Commons. Archived from the original on 8 January 2026. Retrieved 28 May 2025.
Vollmer, Timothy (27 December 2013). "Creative Commons 4.0 BY and BY-SA licenses approved conformant with the Open Definition". Creative Commons. Archived from the original on 12 November 2025. Retrieved 30 June 2026.
Vollmer, Timothy (7 October 2014). "Open Definition 2.0 released". Creative Commons. Archived from the original on 23 February 2017. Retrieved 30 June 2026.
"Approved for Free Cultural Works". Creative Commons. 24 July 2009. Archived from the original on 25 June 2012. Retrieved 14 November 2012.
"Creative Commons Welcomes David Wiley as Educational Use License Project Lead". creativecommons.org. 23 June 2003. Archived from the original on 6 August 2003.

doi.org (Global: 2^nd place; English: 2^nd place)

Ben Depoorter; Francesco Parisi (2002). "Fair use and copyright protection: a price theory explanation". International Review of Law and Economics. 21 (4): 453. CiteSeerX 10.1.1.196.423. doi:10.1016/S0144-8188(01)00071-0. ISSN 0144-8188. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)

earlham.edu (Global: low place; English: low place)

Suber, Peter. "Open Access Overview" Archived 19 May 2007 at the Wayback Machine. Earlham.edu. Retrieved on 2011-12-03

europa.eu (Global: 62^nd place; English: 100^th place)

data.consilium.europa.eu

"Outcome of Proceedings, 9526/16 RECH 208 TELECOM 100, The transition towards an Open Science System". Archived from the original on 5 July 2016. Retrieved 13 July 2016.

freedomdefined.org (Global: low place; English: low place)

Möller, Erik; et al. (2008). "Definition of Free Cultural Works". 1.1. freedomdefined.org. Archived from the original on 18 August 2016. Retrieved 20 April 2015.
"Definition of Free Cultural Works". freedomdefined.org. Retrieved 10 July 2026. Copies may be sold, swapped or given away for free, as part of a larger work, a collection, or independently. There must be no limit on the amount of information that can be copied. There must also not be any limit on who can copy the information or on where the information can be copied.
"Revision history of "Definition" – Definition of Free Cultural Works". Freedomdefined.org. Archived from the original on 2 November 2012. Retrieved 14 November 2012.
"History – Definition of Free Cultural Works". Freedomdefined.org. Archived from the original on 30 October 2012. Retrieved 14 November 2012.

gnu.org (Global: 1,901^st place; English: 1,743^rd place)

Free Software Foundation (19 March 2026). "What is Free Software?". GNU Operating System. Archived from the original on 14 October 2013. Retrieved 19 March 2026.
Stallman, Richard. "Why Open Source misses the point of Free Software". Free Software Foundation. Archived from the original on 4 August 2011. Retrieved 5 August 2016.
Stutz, Michael (1997). "Applying Copyleft To Non-Software Information". www.gnu.org. Free Software Foundation. Archived from the original on 26 December 2011. Retrieved 20 March 2024.

gutenberg.org (Global: 629^th place; English: 427^th place)

"Gutenberg:No Cost or Freedom?". Project Gutenberg. 23 April 2007. Archived from the original on 19 November 2008. Retrieved 22 March 2009.

heise.de (Global: 905^th place; English: 3,454^th place)

Honsig, Markus (25 January 2006). "The most open of all cars". Technology Review (in German). Heinz Heise. Archived from the original on 6 April 2009. Retrieved 22 March 2009.

helsinki.fi (Global: 1,384^th place; English: 2,463^rd place)

valt.helsinki.fi

Mustonen, Mikko. "Copyleft – the economics of Linux and other open-source software" (PDF). Discussion Paper No. 493. Department of Economics, University of Helsinki. Archived from the original (PDF) on 24 March 2009. Retrieved 22 March 2009.

hewlett.org (Global: low place; English: low place)

Atkins, Daniel E.; John Seely Brown; Allen L. Hammond (February 2007). A Review of the Open Educational Resources (OER) Movement: Achievements, Challenges, and New Opportunities (PDF). Menlo Park, CA: The William and Flora Hewlett Foundation. p. 4. Archived from the original (PDF) on 9 March 2012. Retrieved 3 December 2010.

inria.fr (Global: 6,372^nd place; English: 5,582^nd place)

hal.inria.fr

Pawlak, Michel; Bryce, Ciarán; Laurière, Stéphane (29 May 2008). "The Practice of Free and Open Source Software Processes" (PDF). Rapport de Recherche. inria-00274193, version 2. 6519 (April 2008). ISSN 0249-6399. Archived (PDF) from the original on 27 April 2011. Retrieved 22 March 2009.

libguides.com (Global: 9,262^nd place; English: 6,095^th place)

pitt.libguides.com

Duke-Mosier, Phoebe. "Guides: Copyright and Intellectual Property Toolkit: Creative Commons, Copyleft, and Other Licenses". pitt.libguides.com. Retrieved 28 May 2025.

loc.gov (Global: 63^rd place; English: 47^th place)

"Library of Congress Free to Use and Reuse | Library of Congress". Library of Congress, Washington, D.C. 20540 USA. Archived from the original on 26 May 2025. Retrieved 26 May 2025.

mit.edu (Global: 476^th place; English: 340^th place)

web.mit.edu

"MIT faculty open access to their scholarly articles". MIT. 20 March 2009. Archived from the original on 30 January 2014. Retrieved 22 November 2010.

ocw.mit.edu

"About OpenCourseWare". Archived from the original on 22 April 2009. Retrieved 10 April 2009.

nih.gov (Global: 5^th place; English: 5^th place)

grants.nih.gov

"Policy on Enhancing Public Access to Archived Publications Resulting from NIH-Funded Research". Archived from the original on 24 November 2010. Retrieved 12 July 2009.

nmc.org (Global: low place; English: low place)

wp.nmc.org

NMC (2012). "One Year or Less: Open Content". 2010 Horizon Report. Archived from the original on 16 March 2012. Retrieved 18 April 2012.

okfn.org (Global: low place; English: low place)

blog.okfn.org

"Open Knowledge Foundation launched". Open Knowledge Foundation Weblog. 24 May 2004. Archived from the original on 1 October 2011. Retrieved 25 October 2015.

olcos.org (Global: low place; English: low place)

Geser, Guntram (January 2007). Open Educational Practices and Resources. OLCOS Roadmap 2012. Salzburg, Austria: Salzburg Research, EduMedia Group. p. 20. Archived from the original on 4 June 2010. Retrieved 6 November 2010.

onlineuniversityrankings2010.com (Global: low place; English: low place)

Admin (2012). "Open.edu: Top 50 University Open Courseware Collections". DIY Learning. Archived from the original on 8 October 2017. Retrieved 18 April 2012.

opencontent.org (Global: low place; English: low place)

Wiley, David (1998). "Open Content". OpenContent.org. Archived from the original on 28 January 1999. Retrieved 17 April 2012.
Wiley, David. "Open Content". OpenContent.org. Archived from the original on 23 June 2012. Retrieved 18 November 2011.

opendefinition.org (Global: low place; English: low place)

"Conformant Licenses - Open Definition - Defining Open in Open Data, Open Content and Open Knowledge". opendefinition.org. Archived from the original on 23 June 2026. Retrieved 30 June 2026.
Open Definition 2.1 Archived 27 January 2017 at the Wayback Machine on opendefinition.org

opennewswire.org (Global: low place; English: low place)

"What do all the licences mean? Decoding Creative Commons". Open Newswire. 1 December 2021. Retrieved 13 November 2025.

opensource.com (Global: low place; English: low place)

Opensource.com. "What is open source? | Opensource.com". opensource.com. Archived from the original on 11 December 2020. Retrieved 26 May 2025.

psu.edu (Global: 299^th place; English: 159^th place)

citeseerx.ist.psu.edu

Ben Depoorter; Francesco Parisi (2002). "Fair use and copyright protection: a price theory explanation". International Review of Law and Economics. 21 (4): 453. CiteSeerX 10.1.1.196.423. doi:10.1016/S0144-8188(01)00071-0. ISSN 0144-8188. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)

rcuk.ac.uk (Global: low place; English: low place)

"Open access - RCUK Policy and revised guidance". Archived from the original on 21 March 2018. Retrieved 13 July 2016.

redhat.com (Global: 6,005^th place; English: 4,993^rd place)

"What is open source?". www.redhat.com. Retrieved 26 May 2025.

sgmjournals.org (Global: low place; English: low place)

mic.sgmjournals.org

"Policy of the Society for General Microbiology towards author self-archiving on PubMed Central and institutional and other repositories". Archived from the original on 26 May 2011. Retrieved 10 April 2009.

smh.com.au (Global: 154^th place; English: 94^th place)

"Australian drive for green commuter cars". The Sydney Morning Herald. Sydney. 14 June 2010. Retrieved 5 June 2015.

songtrust.com (Global: low place; English: low place)

help.songtrust.com

"What Is a Free License (or Open License)?". help.songtrust.com. Archived from the original on 26 May 2025. Retrieved 26 May 2025.

soton.ac.uk (Global: 6,784^th place; English: 4,198^th place)

eprints.ecs.soton.ac.uk

Alma Swan; Sheridan Brown (May 2005). "Open access self-archiving: An author study" (PDF). Key Perspectives Limited. Archived from the original (PDF) on 8 February 2012. Retrieved 26 July 2010.

sourceforge.net (Global: 1,842^nd place; English: 1,520^th place)

irate.sourceforge.net

"iRate Radio". SourceForge.net. Archived from the original on 28 February 2009. Retrieved 22 March 2009.

thestandard.com (Global: low place; English: low place)

Hendry, Andrew (4 March 2008). "RepRap: An open-source 3D printer for the masses". Computerworld Australia. The Industry Standard. Archived from the original on 16 May 2008. Retrieved 22 March 2009.

timdavies.org.uk (Global: low place; English: low place)

Davies, Tim (12 April 2014). "Data, information, knowledge and power – exploring Open Knowledge's new core purpose". Tim's Blog. Archived from the original on 29 June 2017. Retrieved 25 October 2015.

timesonline.co.uk (Global: 437^th place; English: 317^th place)

Hawkes, Nigel (10 November 2003). "Boycott 'greedy' journal publishers, say scientists". The Times. London. Archived from the original on 29 April 2011. Retrieved 13 September 2015.

twobits.net (Global: low place; English: low place)

Kelty, Christopher M. (2008). "The Cultural Significance of Free Software – Two Bits" (PDF). Durham and London: Duke University Press. p. 99. Archived (PDF) from the original on 27 August 2008. Retrieved 5 August 2016. Prior to 1998, Free Software referred either to the Free Software Foundation (and the watchful, micromanaging eye of Stallman) or to one of thousands of different commercial, avocational, or university-research projects, processes, licenses, and ideologies that had a variety of names: sourceware, freeware, shareware, open software, public domain software, and so on

uchicago.edu (Global: 226^th place; English: 199^th place)

guides.lib.uchicago.edu

Ho, Adrian. "Library Guides: Open Access: Author Rights and Open Licensing". guides.lib.uchicago.edu. Retrieved 28 May 2025.

universityofcalifornia.edu (Global: low place; English: 7,036^th place)

osc.universityofcalifornia.edu

"Response from the University of California to the Public statement from Nature Publishing Group regarding subscription renewals at the California Digital Library" (PDF). 10 June 2010. Archived from the original (PDF) on 26 June 2010. Retrieved 13 September 2015.

web.archive.org (Global: 1^st place; English: 1^st place)

"About CC Licenses". Creative Commons. Archived from the original on 8 January 2026. Retrieved 28 May 2025.
Opensource.com. "What is open source? | Opensource.com". opensource.com. Archived from the original on 11 December 2020. Retrieved 26 May 2025.
Möller, Erik; et al. (2008). "Definition of Free Cultural Works". 1.1. freedomdefined.org. Archived from the original on 18 August 2016. Retrieved 20 April 2015.
Free Software Foundation (19 March 2026). "What is Free Software?". GNU Operating System. Archived from the original on 14 October 2013. Retrieved 19 March 2026.
"Library of Congress Free to Use and Reuse | Library of Congress". Library of Congress, Washington, D.C. 20540 USA. Archived from the original on 26 May 2025. Retrieved 26 May 2025.
"Authorship Collaborative - Berne Convention". case.edu. Archived from the original on 28 May 2025. Retrieved 28 May 2025.
"What Is a Free License (or Open License)?". help.songtrust.com. Archived from the original on 26 May 2025. Retrieved 26 May 2025.
Stallman, Richard. "Why Open Source misses the point of Free Software". Free Software Foundation. Archived from the original on 4 August 2011. Retrieved 5 August 2016.
Guibault, Lucie; Angelopoulos, Christina (2011). Open Content Licensing: From Theory to Practice. Amsterdam University Press. p. 111. ISBN 978-90-8964-307-0. Archived from the original on 2 November 2025. Retrieved 16 July 2025.
Kelty, Christopher M. (2008). "The Cultural Significance of Free Software – Two Bits" (PDF). Durham and London: Duke University Press. p. 99. Archived (PDF) from the original on 27 August 2008. Retrieved 5 August 2016. Prior to 1998, Free Software referred either to the Free Software Foundation (and the watchful, micromanaging eye of Stallman) or to one of thousands of different commercial, avocational, or university-research projects, processes, licenses, and ideologies that had a variety of names: sourceware, freeware, shareware, open software, public domain software, and so on
"Goodbye, "free software"; hello, "open source"". Catb.org. Archived from the original on 2 January 2020. Retrieved 25 October 2012.
"Conformant Licenses - Open Definition - Defining Open in Open Data, Open Content and Open Knowledge". opendefinition.org. Archived from the original on 23 June 2026. Retrieved 30 June 2026.
Vollmer, Timothy (27 December 2013). "Creative Commons 4.0 BY and BY-SA licenses approved conformant with the Open Definition". Creative Commons. Archived from the original on 12 November 2025. Retrieved 30 June 2026.
Vollmer, Timothy (7 October 2014). "Open Definition 2.0 released". Creative Commons. Archived from the original on 23 February 2017. Retrieved 30 June 2026.
"Costs and business models in scientific research publishing: A report commissioned by the Wellcome Trust" (PDF). Archived from the original (PDF) on 19 February 2009. Retrieved 23 May 2009.
"What is Copyright? | U.S. Copyright Office". www.copyright.gov. Archived from the original on 28 May 2025. Retrieved 28 May 2025.
Kopel, Matthew. "LibGuides: Copyright Services: Copyright Term and the Public Domain". guides.library.cornell.edu. Archived from the original on 28 August 2023. Retrieved 28 May 2025.
"Copyright Terms & Definitions". The Copyright Society. Archived from the original on 28 May 2025. Retrieved 28 May 2025.
"The Importance of Orphan Works Legislation". Archived from the original on 5 January 2010. Retrieved 13 June 2011.
Liang, Lawrence (2007). "Free/Open Source Software Open Content" (PDF). Asia-Pacific Development Information Programme: e-Primers on Free/Open Source Software. United Nations Development Programme – Asia-Pacific Development Information Programme. Archived (PDF) from the original on 22 March 2012. Retrieved 23 June 2012.
Raymond, Eric S. "Copycenter". The Jargon File. Archived from the original on 16 September 2010. Retrieved 9 August 2008.
Hall, G. Brent (2008). Open Source Approaches in Spatial Data Handling. Springer. p. 29. Bibcode:2008osas.book.....H. ISBN 978-3-540-74830-4. Archived from the original on 21 March 2022. Retrieved 22 March 2009.
"Approved for Free Cultural Works". Creative Commons. 24 July 2009. Archived from the original on 25 June 2012. Retrieved 14 November 2012.
"iRate Radio". SourceForge.net. Archived from the original on 28 February 2009. Retrieved 22 March 2009.
"Gutenberg:No Cost or Freedom?". Project Gutenberg. 23 April 2007. Archived from the original on 19 November 2008. Retrieved 22 March 2009.
Mustonen, Mikko. "Copyleft – the economics of Linux and other open-source software" (PDF). Discussion Paper No. 493. Department of Economics, University of Helsinki. Archived from the original (PDF) on 24 March 2009. Retrieved 22 March 2009.
Pawlak, Michel; Bryce, Ciarán; Laurière, Stéphane (29 May 2008). "The Practice of Free and Open Source Software Processes" (PDF). Rapport de Recherche. inria-00274193, version 2. 6519 (April 2008). ISSN 0249-6399. Archived (PDF) from the original on 27 April 2011. Retrieved 22 March 2009.
Hendry, Andrew (4 March 2008). "RepRap: An open-source 3D printer for the masses". Computerworld Australia. The Industry Standard. Archived from the original on 16 May 2008. Retrieved 22 March 2009.
Honsig, Markus (25 January 2006). "The most open of all cars". Technology Review (in German). Heinz Heise. Archived from the original on 6 April 2009. Retrieved 22 March 2009.
Suber, Peter. "Open Access Overview" Archived 19 May 2007 at the Wayback Machine. Earlham.edu. Retrieved on 2011-12-03
Alma Swan; Sheridan Brown (May 2005). "Open access self-archiving: An author study" (PDF). Key Perspectives Limited. Archived from the original (PDF) on 8 February 2012. Retrieved 26 July 2010.
Andrew, Theo (30 October 2003). "Trends in Self-Posting of Research Material Online by Academic Staff". Ariadne (37). ISSN 1361-3200. Archived from the original on 20 November 2010. Retrieved 22 March 2009.
"Policy on Enhancing Public Access to Archived Publications Resulting from NIH-Funded Research". Archived from the original on 24 November 2010. Retrieved 12 July 2009.
"Open access - RCUK Policy and revised guidance". Archived from the original on 21 March 2018. Retrieved 13 July 2016.
"Outcome of Proceedings, 9526/16 RECH 208 TELECOM 100, The transition towards an Open Science System". Archived from the original on 5 July 2016. Retrieved 13 July 2016.
"MIT faculty open access to their scholarly articles". MIT. 20 March 2009. Archived from the original on 30 January 2014. Retrieved 22 November 2010.
"Policy of the Society for General Microbiology towards author self-archiving on PubMed Central and institutional and other repositories". Archived from the original on 26 May 2011. Retrieved 10 April 2009.
"OnlineOpen". Archived from the original on 27 April 2011. Retrieved 10 April 2009.
"About OpenCourseWare". Archived from the original on 22 April 2009. Retrieved 10 April 2009.
"AMS Journal price survey". Archived from the original on 28 March 2010. Retrieved 23 May 2009.
"Response from the University of California to the Public statement from Nature Publishing Group regarding subscription renewals at the California Digital Library" (PDF). 10 June 2010. Archived from the original (PDF) on 26 June 2010. Retrieved 13 September 2015.
Hawkes, Nigel (10 November 2003). "Boycott 'greedy' journal publishers, say scientists". The Times. London. Archived from the original on 29 April 2011. Retrieved 13 September 2015.
NMC (2012). "One Year or Less: Open Content". 2010 Horizon Report. Archived from the original on 16 March 2012. Retrieved 18 April 2012.
Admin (2012). "Open.edu: Top 50 University Open Courseware Collections". DIY Learning. Archived from the original on 8 October 2017. Retrieved 18 April 2012.
Moxley, Joe (2013). "Open Textbook Publishing". American Association of University Professors. Archived from the original on 16 June 2025. Retrieved 16 June 2025.
Stutz, Michael (1997). "Applying Copyleft To Non-Software Information". www.gnu.org. Free Software Foundation. Archived from the original on 26 December 2011. Retrieved 20 March 2024.
Wiley, David (1998). "Open Content". OpenContent.org. Archived from the original on 28 January 1999. Retrieved 17 April 2012.
Wiley, David. "Open Content". OpenContent.org. Archived from the original on 23 June 2012. Retrieved 18 November 2011.
Atkins, Daniel E.; John Seely Brown; Allen L. Hammond (February 2007). A Review of the Open Educational Resources (OER) Movement: Achievements, Challenges, and New Opportunities (PDF). Menlo Park, CA: The William and Flora Hewlett Foundation. p. 4. Archived from the original (PDF) on 9 March 2012. Retrieved 3 December 2010.
Geser, Guntram (January 2007). Open Educational Practices and Resources. OLCOS Roadmap 2012. Salzburg, Austria: Salzburg Research, EduMedia Group. p. 20. Archived from the original on 4 June 2010. Retrieved 6 November 2010.
OpenContent is officially closed. And that's just fine. on opencontent.org (30 June 2003, archived)
"Creative Commons Welcomes David Wiley as Educational Use License Project Lead". creativecommons.org. 23 June 2003. Archived from the original on 6 August 2003.
"Revision history of "Definition" – Definition of Free Cultural Works". Freedomdefined.org. Archived from the original on 2 November 2012. Retrieved 14 November 2012.
"History – Definition of Free Cultural Works". Freedomdefined.org. Archived from the original on 30 October 2012. Retrieved 14 November 2012.
"Resolution:Licensing policy". Wikimedia Foundation. Archived from the original on 13 November 2012. Retrieved 14 November 2012.
"Open Knowledge Foundation launched". Open Knowledge Foundation Weblog. 24 May 2004. Archived from the original on 1 October 2011. Retrieved 25 October 2015.
Davies, Tim (12 April 2014). "Data, information, knowledge and power – exploring Open Knowledge's new core purpose". Tim's Blog. Archived from the original on 29 June 2017. Retrieved 25 October 2015.
version 1.0 on opendefinition.org (archived 2007)
Open Definition 2.1 Archived 27 January 2017 at the Wayback Machine on opendefinition.org

wellcome.ac.uk (Global: low place; English: low place)

"Costs and business models in scientific research publishing: A report commissioned by the Wellcome Trust" (PDF). Archived from the original (PDF) on 19 February 2009. Retrieved 23 May 2009.

wikimediafoundation.org (Global: low place; English: low place)

"Resolution:Licensing policy". Wikimedia Foundation. Archived from the original on 13 November 2012. Retrieved 14 November 2012.

wiley.com (Global: 150^th place; English: 174^th place)

www3.interscience.wiley.com

"OnlineOpen". Archived from the original on 27 April 2011. Retrieved 10 April 2009.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Ben Depoorter; Francesco Parisi (2002). "Fair use and copyright protection: a price theory explanation". International Review of Law and Economics. 21 (4): 453. CiteSeerX 10.1.1.196.423. doi:10.1016/S0144-8188(01)00071-0. ISSN 0144-8188. {{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)
Pawlak, Michel; Bryce, Ciarán; Laurière, Stéphane (29 May 2008). "The Practice of Free and Open Source Software Processes" (PDF). Rapport de Recherche. inria-00274193, version 2. 6519 (April 2008). ISSN 0249-6399. Archived (PDF) from the original on 27 April 2011. Retrieved 22 March 2009.
Andrew, Theo (30 October 2003). "Trends in Self-Posting of Research Material Online by Academic Staff". Ariadne (37). ISSN 1361-3200. Archived from the original on 20 November 2010. Retrieved 22 March 2009.

Free content (English Wikipedia)

aaup.org (Global: low place; English: low place)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

ams.org (Global: 434th place; English: 249th place)

apdip.net (Global: low place; English: low place)

ariadne.ac.uk (Global: low place; English: low place)

books.google.com (Global: 3rd place; English: 3rd place)

case.edu (Global: 3,685th place; English: 2,099th place)

catb.org (Global: 7,578th place; English: 6,551st place)

copyright.gov (Global: 7,157th place; English: 4,246th place)

copyrightlaws.com (Global: low place; English: low place)

copyrightsociety.org (Global: low place; English: low place)

cornell.edu (Global: 308th place; English: 253rd place)

guides.library.cornell.edu

creativecommons.org (Global: 580th place; English: 287th place)

doi.org (Global: 2nd place; English: 2nd place)

earlham.edu (Global: low place; English: low place)

europa.eu (Global: 62nd place; English: 100th place)

data.consilium.europa.eu

freedomdefined.org (Global: low place; English: low place)

gnu.org (Global: 1,901st place; English: 1,743rd place)

gutenberg.org (Global: 629th place; English: 427th place)

heise.de (Global: 905th place; English: 3,454th place)

helsinki.fi (Global: 1,384th place; English: 2,463rd place)

valt.helsinki.fi

hewlett.org (Global: low place; English: low place)

inria.fr (Global: 6,372nd place; English: 5,582nd place)

hal.inria.fr

libguides.com (Global: 9,262nd place; English: 6,095th place)

pitt.libguides.com

loc.gov (Global: 63rd place; English: 47th place)

mit.edu (Global: 476th place; English: 340th place)

web.mit.edu

ocw.mit.edu

nih.gov (Global: 5th place; English: 5th place)

grants.nih.gov

nmc.org (Global: low place; English: low place)

wp.nmc.org

okfn.org (Global: low place; English: low place)

blog.okfn.org

olcos.org (Global: low place; English: low place)

onlineuniversityrankings2010.com (Global: low place; English: low place)

opencontent.org (Global: low place; English: low place)

opendefinition.org (Global: low place; English: low place)

opennewswire.org (Global: low place; English: low place)

opensource.com (Global: low place; English: low place)

psu.edu (Global: 299th place; English: 159th place)

citeseerx.ist.psu.edu

rcuk.ac.uk (Global: low place; English: low place)

redhat.com (Global: 6,005th place; English: 4,993rd place)

sgmjournals.org (Global: low place; English: low place)

mic.sgmjournals.org

smh.com.au (Global: 154th place; English: 94th place)

songtrust.com (Global: low place; English: low place)

help.songtrust.com

soton.ac.uk (Global: 6,784th place; English: 4,198th place)

eprints.ecs.soton.ac.uk

sourceforge.net (Global: 1,842nd place; English: 1,520th place)

irate.sourceforge.net

thestandard.com (Global: low place; English: low place)

timdavies.org.uk (Global: low place; English: low place)

timesonline.co.uk (Global: 437th place; English: 317th place)

twobits.net (Global: low place; English: low place)

uchicago.edu (Global: 226th place; English: 199th place)

guides.lib.uchicago.edu

universityofcalifornia.edu (Global: low place; English: 7,036th place)

osc.universityofcalifornia.edu

web.archive.org (Global: 1st place; English: 1st place)

wellcome.ac.uk (Global: low place; English: low place)

wikimediafoundation.org (Global: low place; English: low place)

wiley.com (Global: 150th place; English: 174th place)

www3.interscience.wiley.com

worldcat.org (Global: 4th place; English: 4th place)

search.worldcat.org

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ams.org (Global: 434^th place; English: 249^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

case.edu (Global: 3,685^th place; English: 2,099^th place)

catb.org (Global: 7,578^th place; English: 6,551^st place)

copyright.gov (Global: 7,157^th place; English: 4,246^th place)

cornell.edu (Global: 308^th place; English: 253^rd place)

creativecommons.org (Global: 580^th place; English: 287^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

europa.eu (Global: 62^nd place; English: 100^th place)

gnu.org (Global: 1,901^st place; English: 1,743^rd place)

gutenberg.org (Global: 629^th place; English: 427^th place)

heise.de (Global: 905^th place; English: 3,454^th place)

helsinki.fi (Global: 1,384^th place; English: 2,463^rd place)

inria.fr (Global: 6,372^nd place; English: 5,582^nd place)

libguides.com (Global: 9,262^nd place; English: 6,095^th place)

loc.gov (Global: 63^rd place; English: 47^th place)

mit.edu (Global: 476^th place; English: 340^th place)

nih.gov (Global: 5^th place; English: 5^th place)

psu.edu (Global: 299^th place; English: 159^th place)

redhat.com (Global: 6,005^th place; English: 4,993^rd place)

smh.com.au (Global: 154^th place; English: 94^th place)

soton.ac.uk (Global: 6,784^th place; English: 4,198^th place)

sourceforge.net (Global: 1,842^nd place; English: 1,520^th place)

timesonline.co.uk (Global: 437^th place; English: 317^th place)

uchicago.edu (Global: 226^th place; English: 199^th place)

universityofcalifornia.edu (Global: low place; English: 7,036^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wiley.com (Global: 150^th place; English: 174^th place)

worldcat.org (Global: 4^th place; English: 4^th place)