{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T04:56:10Z","timestamp":1750308970651,"version":"3.41.0"},"reference-count":31,"publisher":"Association for Computing Machinery (ACM)","issue":"3","license":[{"start":{"date-parts":[[2004,5,1]],"date-time":"2004-05-01T00:00:00Z","timestamp":1083369600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["Queue"],"published-print":{"date-parts":[[2004,5]]},"abstract":"<jats:p>The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software to make sure the software is free for all its users. So begins the GNU General Public License, or GPL, which has become the most widely used of open source software licenses. Freedom is the watchword; it\u2019s no coincidence that the organization that wrote the GPL is called the Free Software Foundation and that open source developers everywhere proclaim, \u201cInformation wants to be free.\u201d<\/jats:p>","DOI":"10.1145\/1005062.1005066","type":"journal-article","created":{"date-parts":[[2005,1,26]],"date-time":"2005-01-26T16:33:14Z","timestamp":1106757194000},"page":"40-47","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["There\u2019s No Such Thing as a Free (Software) Lunch"],"prefix":"10.1145","volume":"2","author":[{"given":"Jay","family":"Michaelson","sequence":"first","affiliation":[{"name":"Wasabi Systems"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2004,5]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"1\n  .  For more information on the GPL visit the GNU Website; http:\/\/www.gnu.org\/.  1. For more information on the GPL visit the GNU Website; http:\/\/www.gnu.org\/."},{"key":"e_1_2_1_2_1","unstructured":"2\n  . See  reference 1.  2. See reference 1."},{"key":"e_1_2_1_3_1","unstructured":"3\n  .  See: http:\/\/en.wikipedia.org\/wiki\/FUD; http:\/\/info.astrian.net\/jargon\/terms\/f\/FUD.html.  3. See: http:\/\/en.wikipedia.org\/wiki\/FUD; http:\/\/info.astrian.net\/jargon\/terms\/f\/FUD.html."},{"volume-title":"New York Times","author":"Smith C. S.","key":"e_1_2_1_4_1"},{"key":"e_1_2_1_5_1","unstructured":"5\n  .  Artistic License: see http:\/\/www.perl.com\/pub\/a\/ language\/misc\/Artistic.html.  5. Artistic License: see http:\/\/www.perl.com\/pub\/a\/ language\/misc\/Artistic.html."},{"key":"e_1_2_1_6_1","unstructured":"6\n  .  GNU Lesser General Public License: see http:\/\/gnu.org\/copyleft\/lesser.html.  6. GNU Lesser General Public License: see http:\/\/gnu.org\/copyleft\/lesser.html."},{"key":"e_1_2_1_7_1","unstructured":"7\n  .  IBM Public License: see http:\/\/www.opensource.org\/ licenses\/ibmpl.php; http:\/\/www-124.ibm.com\/ developerworks\/oss\/CPLv1.0.htm.  7. IBM Public License: see http:\/\/www.opensource.org\/ licenses\/ibmpl.php; http:\/\/www-124.ibm.com\/ developerworks\/oss\/CPLv1.0.htm."},{"key":"e_1_2_1_8_1","unstructured":"8\n  .  Mozilla Public License: see http:\/\/www.mozilla.org\/ MPL\/MPL-1.1.html; http:\/\/www.opensource.org\/ licenses\/mozilla1.0.php.  8. Mozilla Public License: see http:\/\/www.mozilla.org\/ MPL\/MPL-1.1.html; http:\/\/www.opensource.org\/ licenses\/mozilla1.0.php."},{"key":"e_1_2_1_9_1","unstructured":"9\n  .  Open Software License: see http:\/\/www.opensource.org\/licenses\/osl-1.1.txt.  9. Open Software License: see http:\/\/www.opensource.org\/licenses\/osl-1.1.txt."},{"key":"e_1_2_1_10_1","unstructured":"10\n  .  Sun Public License: see http:\/\/www.netbeans.org\/ about\/legal\/license.html.  10. Sun Public License: see http:\/\/www.netbeans.org\/ about\/legal\/license.html."},{"key":"e_1_2_1_11_1","unstructured":"11\n  .  Academic Free License: see http:\/\/www.opensource.org\/licenses\/academic.php.  11. Academic Free License: see http:\/\/www.opensource.org\/licenses\/academic.php."},{"key":"e_1_2_1_12_1","unstructured":"12\n  .  Apache Software License: see http:\/\/www.apache.org\/ LICENSE.txt.  12. Apache Software License: see http:\/\/www.apache.org\/ LICENSE.txt."},{"key":"e_1_2_1_13_1","unstructured":"13\n  . See  Reference 5.  13. See Reference 5."},{"key":"e_1_2_1_14_1","unstructured":"14\n  .  Attribution Assurance License: see http:\/\/www.opensource.org\/licenses\/attribution.php.  14. Attribution Assurance License: see http:\/\/www.opensource.org\/licenses\/attribution.php."},{"key":"e_1_2_1_15_1","unstructured":"15\n  .  BSD License: see http:\/\/www.opensource.org\/licenses\/ bsd-license.php.  15. BSD License: see http:\/\/www.opensource.org\/licenses\/ bsd-license.php."},{"key":"e_1_2_1_16_1","unstructured":"16\n  .  Sun Industry Standards Source License: see http:\/\/www.openoffice.org\/licenses\/sissl_license.html.  16. Sun Industry Standards Source License: see http:\/\/www.openoffice.org\/licenses\/sissl_license.html."},{"key":"e_1_2_1_17_1","unstructured":"17\n  .  University of Illinois\/NCSA Open Source License: see http:\/\/uilib-oai.sourceforge.net\/license.html.  17. University of Illinois\/NCSA Open Source License: see http:\/\/uilib-oai.sourceforge.net\/license.html."},{"key":"e_1_2_1_18_1","unstructured":"18\n  .  Vovida Software License: see http:\/\/www.vovida.org\/ About\/license.html.  18. Vovida Software License: see http:\/\/www.vovida.org\/ About\/license.html."},{"key":"e_1_2_1_19_1","unstructured":"19\n  .  W3C Software Notice and License: see http:\/\/www.w3.org\/Consortium\/Legal\/2002\/ copyright-software-20021231.  19. W3C Software Notice and License: see http:\/\/www.w3.org\/Consortium\/Legal\/2002\/ copyright-software-20021231."},{"key":"e_1_2_1_20_1","unstructured":"20\n  .  Zope Public License: see http:\/\/cmf.zope.org\/ download\/CMF-1.2beta2\/LICENSE.txt.  20. Zope Public License: see http:\/\/cmf.zope.org\/ download\/CMF-1.2beta2\/LICENSE.txt."},{"key":"e_1_2_1_21_1","unstructured":"21\n  .  Shared Source: see http:\/\/www.microsoft.com\/ resources\/sharedsource\/default.mspx.  21. Shared Source: see http:\/\/www.microsoft.com\/ resources\/sharedsource\/default.mspx."},{"volume-title":"New York: NY","year":"2000","author":"Lessig L.","key":"e_1_2_1_22_1"},{"key":"e_1_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1145\/945074.945076"},{"key":"e_1_2_1_24_1","unstructured":"24\n  .  Linus Torvalds e-mail: see http:\/\/lkml.org\/lkml\/2003\/ 12\/3\/228.  24. Linus Torvalds e-mail: see http:\/\/lkml.org\/lkml\/2003\/ 12\/3\/228."},{"key":"e_1_2_1_25_1","unstructured":"25\n  .  U. S. Copyright Act: see http:\/\/www.copyright.gov\/ title17\/92chap1.html.  25. U. S. Copyright Act: see http:\/\/www.copyright.gov\/ title17\/92chap1.html."},{"key":"e_1_2_1_26_1","unstructured":"26\n  .  U. S. Copyright Act Section 103 Subject matter of copyright: Compilations and derivative works: see http:\/\/www.copyright.gov\/title17\/92chap1.html#103.  26. U. S. Copyright Act Section 103 Subject matter of copyright: Compilations and derivative works: see http:\/\/www.copyright.gov\/title17\/92chap1.html#103."},{"key":"e_1_2_1_27_1","unstructured":"27\n  . See  reference 26.  27. See reference 26."},{"volume-title":"Boston: MA","year":"2001","author":"Randall A.","key":"e_1_2_1_28_1"},{"volume-title":"New York: NY","year":"1936","author":"Mitchell M.","key":"e_1_2_1_29_1"},{"key":"e_1_2_1_30_1","unstructured":"30\n  .  Williams S. Free as in Freedom. O'Reilly Sebastopol CA 2002; http:\/\/www.oreilly.com\/openbook\/ freedom\/ch09.html.  30. Williams S. Free as in Freedom . O'Reilly Sebastopol CA 2002; http:\/\/www.oreilly.com\/openbook\/ freedom\/ch09.html."},{"key":"e_1_2_1_31_1","unstructured":"31\n  . See  reference 23.  31. See reference 23."}],"container-title":["Queue"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1005062.1005066","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/1005062.1005066","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T21:38:33Z","timestamp":1750282713000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1005062.1005066"}},"subtitle":["What every developer should know about open source licensing"],"short-title":[],"issued":{"date-parts":[[2004,5]]},"references-count":31,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2004,5]]}},"alternative-id":["10.1145\/1005062.1005066"],"URL":"https:\/\/doi.org\/10.1145\/1005062.1005066","relation":{},"ISSN":["1542-7730","1542-7749"],"issn-type":[{"type":"print","value":"1542-7730"},{"type":"electronic","value":"1542-7749"}],"subject":[],"published":{"date-parts":[[2004,5]]},"assertion":[{"value":"2004-05-01","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}