Java Native Access project (JNA) is dual-licensed under 2 alternative Open Source/Free licenses: LGPL 2.1 or later and Apache License 2.0. (starting with JNA version 4.0.0). You can freely decide which license you want to apply to the project. You may obtain a copy of the LGPL License at: http://www.gnu.org/licenses/licenses.html A copy is also included in the downloadable source code package containing JNA, in file "LGPL2.1", under the same directory as this file. You may obtain a copy of the Apache License at: http://www.apache.org/licenses/ A copy is also included in the downloadable source code package containing JNA, in file "AL2.0", under the same directory as this file.