Most of NASM is licensed under the GNU Lesser General Public License
(LGPL) version 2.1 or, at your option, any later version.

We are trying to shift the license to the 2-clause BSD license, so any
patches submitted are required to be dual-licensed under those two licenses.

Many files are already switched to the 2-clause BSD license.

Please read the "COPYING" file in the archive root, or visit
http://www.gnu.org/licenses/lgpl.html, for information about the LGPL.