![]() 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. 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 a display generated by the derivative works (wherever such third-party notices normally appear). ![]() In every licensed file changed, a notification must be added stating that changes have been made to that file. In every licensed file, original copyright, patent, trademark, and attribution notices must be preserved (excluding notices that do not pertain to any part of the derivative works). ![]() It still requires application of the same license to all unmodified parts. 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. This license requires preservation of the copyright notice and disclaimer. 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 a contributor's own patents. In January 2004, ASF decided to depart from the BSD model and produced the Apache License 2.0. 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 the same. 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. 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 the new 3-clause BSD license. 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. The license is also used by many non-ASF projects.īeginning in 1995, the Apache Group (later the Apache Software Foundation) released successive versions of the Apache HTTP Server. The ASF and its projects release their software products under the Apache License. It allows users to use 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 Apache License is a permissive free software license written by the Apache Software Foundation (ASF). Linking from code with a different licence ![]() Only version 2.0 is compatible with only GPLv3. ![]()
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