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22-503: The Apache Software Foundation is a decentralized open source community of developers. The software they produce is distributed under the terms of the Apache License , a permissive open-source license for free and open-source software (FOSS). The Apache projects are characterized by a collaborative, consensus-based development process and an open and pragmatic software license, which is to say that it allows developers, who receive

44-503: A "Project Management Committee" in the bylaws), some of which have a number of sub-projects. Unlike some other organizations that host FOSS projects, before a project is hosted at Apache it has to be licensed to the ASF with a grant or contributor agreement. In this way, the ASF gains the necessary intellectual property rights for the development and distribution of all its projects. The Board of Directors of The Apache Software Foundation (ASF)

66-545: A contributor's own patents. This license requires the preservation of the copyright notice and disclaimer . The Apache License is permissive ; unlike copyleft licenses, it does not require a derivative work of the software, or modifications to the original, to be distributed using the same license. It still requires application of the same license to all unmodified parts. In every licensed file, original copyright, patent, trademark, and attribution notices must be preserved (excluding notices that do not pertain to any part of

88-706: A cultural appropriator or anything like that, I had just seen a documentary about Geronimo and the last days of a Native American tribe called the Apaches right, who succumbed to the invasion from the West, from the United States, and they were the last tribe to give up their territory and for me that almost romantically represented what I felt we were doing with this web-server project..." Apache divides its software development activities into separate semi-autonomous areas called "top-level projects" (formally known as

110-515: A display generated by the derivative works (wherever such third-party notices normally appear). The contents of the NOTICE file do not modify the license, as they are for informational purposes only, and adding more attribution notices as addenda to the NOTICE text is permissible, provided that these notices cannot be understood as modifying the license. Modifications may have appropriate copyright notices, and may provide different license terms for

132-488: Is assigned to their independent project management committee; the participants in each project provide direction, not the board. The board is elected annually by the ASF membership. Since September 18, 2024, the board of directors has been: Apache License The Apache License is a permissive free software license written by the Apache Software Foundation (ASF). It allows users to use

154-745: Is linked to the Apache HTTP Server, development beginning in February 1993. A group of eight developers started working on enhancing the NCSA HTTPd daemon . They came to be known as the Apache Group. On March 25, 1999, the Apache Software Foundation was formed. The first official meeting of the Apache Software Foundation was held on April 13, 1999. The initial members of the Apache Software Foundation consisted of

176-418: Is provided without the risk of platform lock-in . Among the ASF's objectives are: to provide legal protection to volunteers working on Apache projects, and to prevent the "Apache" brand name from being used by other organizations without permission. The ASF also holds several ApacheCon conferences each year, highlighting Apache projects and related technology. The history of the Apache Software Foundation

198-516: Is responsible for management and oversight of the business and affairs of the corporation in accordance with the Bylaws. This includes management of the corporate assets (funds, intellectual property, trademarks, and support equipment), appointment of a President and corporate officers managing the core operations of the ASF, and allocation of corporate resources for the benefit of Apache projects. Technical decision-making authority for every Apache project

220-706: The Apache HTTP Server . Its initial license was essentially the same as the original 4-clause BSD license , with only the names of the organizations changed, and with an additional clause forbidding derivative works from bearing the Apache name. In July 1999, the Berkeley Software Distribution accepted the argument put to it by the Free Software Foundation and retired their advertising clause (clause 3) to form

242-638: The Apache Group: Brian Behlendorf , Ken Coar , Miguel Gonzales, Mark Cox, Lars Eilebrecht , Ralf S. Engelschall, Roy T. Fielding , Dean Gaudet, Ben Hyde, Jim Jagielski , Alexei Kosut, Martin Kraemer, Ben Laurie , Doug MacEachern, Aram Mirzadeh, Sameer Parekh , Cliff Skolnick, Marc Slemko, William (Bill) Stoddard, Paul Sutton, Randy Terbush and Dirk-Willem van Gulik . After a series of additional meetings to elect board members and resolve other legal matters regarding incorporation,

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264-637: The Apache License with the LLVM exception is used, then it is compatible with GPLv2. In October 2012, 8,708 projects located at SourceForge.net were available under the terms of the Apache License. In a blog post from May 2008, Google mentioned that over 25% of the nearly 100,000 projects then hosted on Google Code were using the Apache License, including the Android operating system . As of 2015 , according to Black Duck Software and GitHub ,

286-534: The Apache license is the third most popular license in the FOSS domain after MIT License and GPLv2 . The OpenBSD project does not consider the Apache License 2.0 to be an acceptable free license because of its patent provisions. The OpenBSD policy believes that when the license forces one to give up a legal right that one otherwise has, that license is no longer free. Moreover, the project objects to involving contract law with copyright law, stating "...Copyright law

308-625: The Work." Through an in terrorem clause, if the user sues anyone alleging that the software or a contribution within it constitutes patent infringement, any such patent licenses for that work are terminated. The Apache Software Foundation and the Free Software Foundation agree that the Apache License 2.0 is a free software license , compatible with the GNU General Public License (GPL) version 3, meaning that code under GPLv3 and Apache License 2.0 can be combined, as long as

330-417: The derivative works). In every licensed file changed, a notification must be added stating that changes have been made to that file. If a NOTICE text file is included as part of the distribution of the original work, then derivative works must include a readable copy of these notices within a NOTICE text file distributed as part of the derivative works, within the source form or documentation, or within

352-430: The effective incorporation date of the Apache Software Foundation was set to June 1, 1999. Co-founder Brian Behlendorf states how the name 'Apache' was chosen: "I suggested the name Apache partly because the web technologies at the time that were launching were being called cyber this or spider that or something on those themes and I was like we need something a little more interesting, a little more romantic, not to be

374-566: The modifications. Unless explicitly stated otherwise, any contributions submitted by a licensee to a licensor will be under the terms of the license without any terms and conditions, but this does not preclude any separate agreements with the licensor regarding these contributions. The Apache License 2.0 attempts to forestall potential patent litigation in Section 3. The user is granted a patent license from each contributor to "make, have made, use, offer to sell, sell, import, and otherwise transfer

396-405: The new 3-clause BSD license. In 2000, Apache did likewise and created the Apache License 1.1, in which derived products are no longer required to include attribution in their advertising materials, only in their documentation. Individual packages licensed under the 1.1 version may have used different wording due to varying requirements for attribution or mark identification, but the binding terms were

418-541: The resulting software is licensed under the GPLv3. The Free Software Foundation considers all versions of the Apache License to be incompatible with the previous GPL versions 1 and 2. Furthermore, it considers Apache License versions before 2.0 incompatible with GPLv3. Because of version 2.0's patent license requirements, the Free Software Foundation recommends it over other non-copyleft licenses. If

440-492: The same. In January 2004, ASF decided to depart from the BSD model and produced the Apache License 2.0. The stated goals of the license included making it easier for non-ASF projects to use, improving compatibility with GPL -based software, allowing the license to be included by reference instead of listed in every file, clarifying the license on contributions, and requiring a patent license on contributions that necessarily infringe

462-501: The software for any purpose, to distribute it, to modify it, and to distribute modified versions of the software under the terms of the license, without concern for royalties . The ASF and its projects release their software products under the Apache License. The license is also used by many non-ASF projects. Beginning in 1995, the Apache Group (later the Apache Software Foundation) released successive versions of

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484-421: The software freely, to redistribute it under non-free terms. Each project is managed by a self-selected team of technical experts who are active contributors to the project. The ASF is a meritocracy , implying that membership of the foundation is granted only to volunteers who have actively contributed to Apache projects. The ASF is considered a second-generation open-source organization, in that commercial support

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