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Common Development and Distribution License (CDDL) is a free software license, produced by Sun Microsystems, based on the Mozilla Public License (MPL). Files licensed under the CDDL can be combined with files licensed under other licenses, whether open source or proprietary. In 2005 the Open Source Initiative approved the license. The Free Software Foundation considers it a free software license that is incompatible with the GNU General Public License (GPL).〔(【引用サイトリンク】title=Various Licenses and Comments About Them - Common Development and Distribution License )〕 == History== The previous software license used by Sun for its free software/open source projects was the Sun Public License (SPL), also derived from the Mozilla Public License. The CDDL license is considered by Sun (now Oracle) to be SPL version 2. The CDDL was developed by a Sun Microsystems team (among them Solaris kernel engineer Andrew Tucker〔(Andy Tucker on the CDDL )〕〔(Open source licenses, IP, and CDDL ) on Andrew Tuckers blog ''"as one of the drafters of the CDDL I can at least comment on what the license says, and on our intentions in creating it."'' (Tuesday April 12, 2005)〕 and Claire Giordano〔(For Approval: Common Development and Distribution License (CDDL) ) (2004)〕), based on the MPL version 1.1. On December 1, 2004 the CDDL was submitted for approval to the Open Source Initiative〔 and was approved as an open source license in mid January 2005. The second CDDL proposal, submitted in early January 2005, includes some corrections that prevent the CDDL from being in conflict with European Copyright law and to allow single developers to use the CDDL for their work. In 2006 in the first draft of the OSI's license proliferation committee report, the CDDL is one of nine preferred licenses listed as popular, widely used, or with strong communities.〔(First draft of OSI's license proliferation report ). Archived from the (original ) on 2012-02-05. Retrieved 2013-01-03.〕 While the Free Software Foundation also considered the CDDL a free software license, they claimed to see some incompatibilities with their GNU General Public License (GPL).〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Common Development and Distribution License」の詳細全文を読む スポンサード リンク
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