{"id":58,"date":"2014-12-04T23:08:12","date_gmt":"2014-12-04T23:08:12","guid":{"rendered":"https:\/\/integrations.pressbooks.network\/openedreader\/chapter\/open-software-licenses-gnu-general-public-license\/"},"modified":"2019-11-06T21:33:20","modified_gmt":"2019-11-06T21:33:20","slug":"open-software-licenses-gnu-general-public-license","status":"publish","type":"chapter","link":"https:\/\/integrations.pressbooks.network\/openedreader\/chapter\/open-software-licenses-gnu-general-public-license\/","title":{"raw":"GNU General Public License","rendered":"GNU General Public License"},"content":{"raw":"Explore the website at\u00a0<a href=\"https:\/\/www.gnu.org\/copyleft\/gpl.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.gnu.org\/copyleft\/gpl.html<\/a>\n\n<strong>Background<\/strong>\n\nGPL or GNU General Public License was the first copyleft license, and is still the most broadly used.\n\n<strong>Key Points<\/strong>\n<ul>\n\t<li>Free, copyleft license for software + other things<\/li>\n\t<li>To preserve, not take away your freedom\n<ul>\n\t<li>the right to distribute software, even at a cost<\/li>\n\t<li>The right to receive the source code and make changes<\/li>\n<\/ul>\n<\/li>\n\t<li>Rules\n<ul>\n\t<li>Need to respect the freedom of others by informing them they can access the source code.<\/li>\n\t<li>assert copyright and then offer people the GNU license<\/li>\n<\/ul>\n<\/li>\n\t<li>Another version of the GPL called the AGPL. You have to distribute source code, even if you don\u2019t distribute the software as in the case of \u00a0web apps (e.g. facebook)<\/li>\n<\/ul>\n<strong>Discussion Questions<\/strong>\n<ol>\n\t<li>What is the situation with devices that don\u2019t let users run modified version in the 3rd to last paragraph?<\/li>\n\t<li>How could a patent be applied to software?<\/li>\n\t<li>It\u2019s interesting that GPL licensed \u00a0software can be used to create proprietary software. Is this for practical reasons?<\/li>\n\t<li>Microsoft seems to claim that GPL has some viral properties, does non-free software not have these same properties?<\/li>\n\t<li>How can Stallman justify selling license exceptions to companies? Aren\u2019t they evil?<\/li>\n<\/ol>\n<strong>Additional Resources<\/strong>","rendered":"<p>Explore the website at\u00a0<a href=\"https:\/\/www.gnu.org\/copyleft\/gpl.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.gnu.org\/copyleft\/gpl.html<\/a><\/p>\n<p><strong>Background<\/strong><\/p>\n<p>GPL or GNU General Public License was the first copyleft license, and is still the most broadly used.<\/p>\n<p><strong>Key Points<\/strong><\/p>\n<ul>\n<li>Free, copyleft license for software + other things<\/li>\n<li>To preserve, not take away your freedom\n<ul>\n<li>the right to distribute software, even at a cost<\/li>\n<li>The right to receive the source code and make changes<\/li>\n<\/ul>\n<\/li>\n<li>Rules\n<ul>\n<li>Need to respect the freedom of others by informing them they can access the source code.<\/li>\n<li>assert copyright and then offer people the GNU license<\/li>\n<\/ul>\n<\/li>\n<li>Another version of the GPL called the AGPL. You have to distribute source code, even if you don\u2019t distribute the software as in the case of \u00a0web apps (e.g. facebook)<\/li>\n<\/ul>\n<p><strong>Discussion Questions<\/strong><\/p>\n<ol>\n<li>What is the situation with devices that don\u2019t let users run modified version in the 3rd to last paragraph?<\/li>\n<li>How could a patent be applied to software?<\/li>\n<li>It\u2019s interesting that GPL licensed \u00a0software can be used to create proprietary software. Is this for practical reasons?<\/li>\n<li>Microsoft seems to claim that GPL has some viral properties, does non-free software not have these same properties?<\/li>\n<li>How can Stallman justify selling license exceptions to companies? Aren\u2019t they evil?<\/li>\n<\/ol>\n<p><strong>Additional Resources<\/strong><\/p>\n","protected":false},"author":14,"menu_order":1,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-58","chapter","type-chapter","status-publish","hentry"],"part":57,"_links":{"self":[{"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/pressbooks\/v2\/chapters\/58","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/wp\/v2\/users\/14"}],"version-history":[{"count":1,"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/pressbooks\/v2\/chapters\/58\/revisions"}],"predecessor-version":[{"id":59,"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/pressbooks\/v2\/chapters\/58\/revisions\/59"}],"part":[{"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/pressbooks\/v2\/parts\/57"}],"metadata":[{"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/pressbooks\/v2\/chapters\/58\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/wp\/v2\/media?parent=58"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/pressbooks\/v2\/chapter-type?post=58"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/wp\/v2\/contributor?post=58"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/integrations.pressbooks.network\/openedreader\/wp-json\/wp\/v2\/license?post=58"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}