| Explanation & Hint:
Permissive software licenses are those that impose minimal restrictions on how software can be used, modified, and redistributed. Among the options you provided, the two that are examples of permissive software licenses are:
- MIT: The MIT license is a very popular permissive license. It allows the software to be used for any purpose, including commercial development, and only requires that the license and copyright notice appear in all copies of the software. It does not require derivative works to be distributed under the same license.
- BSD: The BSD licenses, including the original BSD license and its derivatives like the 2-clause and 3-clause BSD licenses, are also permissive. They allow the software to be used freely for any purpose and have minimal requirements regarding the redistribution of source code. They typically require only the preservation of the copyright notice and disclaimer.
The other options are not permissive licenses:
- GPLv3 and LGPLv3: These are both examples of copyleft licenses issued by the Free Software Foundation. The General Public License (GPL) version 3 requires that derivatives of licensed software also be distributed under the GPL, a requirement that does not align with permissive licensing. The Lesser General Public License (LGPL) version 3 allows linking with non-GPL software but still imposes copyleft conditions on the use of the licensed software itself and any modifications to it.
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