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The Mozilla Public License (MPL) is a free and open-source weak copyleft license for most Mozilla Foundation software such as Firefox and Thunderbird.
- January 3, 2012
- Mozilla Foundation
Mozilla is the custodian of the Mozilla Public License ("MPL"), an open source / free software license. The current version of the license is MPL 2.0 ( html | plain text ). If you want to use or distribute code licensed under the MPL 2.0 and have questions about it, you may want to read the FAQ.
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The MPL license is a copyleft license, which means that in principle people are not allowed to distribute code that is under the MPL-2.0 license under different terms. The GPL licenses (including LGPL and AGPL) require that the entire application is distributed under the terms of the GPL license.
- Q16: Is "minified" Javascript Source Code?
- Q17: What Does "Distribute" Mean?
- Q18: Should MPL Be Used For Non-Software Works?
- Does The MPL 2.0 Give Me Permission to Make My Own License by Changing The MPL?
- What Does "Used" Mean in The Definition of Contributor Version (Sec. 1.2)?
No. MinifiedJavaScript, while not an "executable" in the software engineering sense of the word, is difficult for humans to read, edit, and modify. As such, it is not "the preferred form for modification" and so it is not Source Code as defined by the license. Therefore, minified JavaScript is the Executable form, and the responsibilities set out i...
The MPL uses "distribute" in the sense of delivery of a copy of the software to another person or entity. We do not use distribute to mean "make available" in the sense of "making functionality available over the web without delivery of a copy of the software." So e.g. in a web-based application, the code which runs on the server is not 'distribute...
MPL was written with software in mind, and should generally only be used for software. However, for consistency and simplicity, it may be appropriate to use the MPL for non-software works (such as documentation, images, and sound files) that are written primarily for use in MPL-licensed software.
Yes but, as with MPL 1.1, we strongly discourage you from doing so. It will almost certainly make your software much less popular and less widely used. Software developers and companies are already aware of and understand popular licenses like the MPL. If you create your own, they will have to perform a legal assessment of your changes - and may co...
“Used” in Section 1.2 means an action taken in the process of creating a Contribution or Modification.
The Mozilla Public License (MPL) is a free and open source software license developed and maintained by the Mozilla Foundation. It is a weak copyleft, characterized as a middle ground between permissive free software licenses and the GNU General Public License (GPL), that seeks to balance the concerns of proprietary and open source developers.
Note: selene is not Roblox exclusive, but it started its life for Roblox development. License selene and all its source code are licensed under the Mozilla Public License 2.0 .
Firefox source code is free software, with most of it being released under the Mozilla Public License (MPL) version 2.0. This license permits anyone to view, modify, or redistribute the source code.
