MIT特許條款(英語:MIT License)是許多軟件特許條款中,被廣泛使用的其中一種。與其他常見的軟件特許條款(如GPL、LGPL、BSD)相比,MIT是相對寬鬆的軟件特許條款。 與Copyleft特許條款不同,MIT特許條款允許專有軟件使用,軟件的所有副本或實質部分都包含MIT特許條款條款的副本與版權聲明即可。
簡介
MIT特許條款之名源自麻省理工學院(Massachusetts Institute of Technology, MIT),又稱「X特許條款」(X License)或「X11特許條款」(X11 License)
MIT內容與三條款BSD特許條款(3-clause BSD license)內容頗為近似,但是賦予軟件被特許人更大的權利與更少的限制。
運用情形
有許多團體均採用MIT特許條款。例如著名的SSH連線軟件PuTTY與X Window系統。Expat、Mono開發平台函式庫、Ruby on Rails、Lua、微軟的Visual Studio Code原始碼等等也都採用MIT特許條款。
條款內容
普遍的MIT協定聲明原文如下: [1]
Copyright (C) <year> <copyright holders>
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
中文解釋如下:
特此授予任何人免費獲得本軟件和相關文件檔案(「軟件」)副本的許可,不受限制地處理本軟件,包括但不限於使用、複製、修改、合併 、發佈、分發、再許可的權利, 被特許人有權利使用、複製、修改、合併、出版發行、散佈、再特許和/或販售軟件及軟件的副本,及授予被供應人同等權利,惟服從以下義務。
在軟件和軟件的所有副本中都必須包含以上版權聲明和本許可聲明。
此特許條款並非屬copyleft的自由軟體授權條款,允許在自由及開放原始碼軟件或非自由軟件(proprietary software)所使用。
MIT的內容可依照程式版權者的需求更改內容。此亦為MIT與BSD(The BSD license, 3-clause BSD license)本質上不同處。
MIT特許條款可與其他特許條款並存。另外,MIT條款也是自由軟件基金會(FSF)所認可的自由軟體授權條款,與GPL相容。
參見
參考文獻
外部連結
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