Logback License

Logback source code and binaries are distributed under the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation.

Logback: the reliable, generic, fast and flexible logging library for Java.  

Copyright (C) 2000-2008, QOS.ch

Source code and binaries for logback, including logback-core,
logback-classic and logback-access modules, are distributed under the
GNU Lesser General Public License Version 2.1, as published by the
Free Software Foundation.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

Please note that logback is intended to be used behind the SLF4J API, which is licensed under an X11 type license.

If you wish to make a significant contribution to the logback project, we invite you to file Contributor License Agreement. The purpose of this agreement is to formalize the terms of your contribution and to protect the project in case of litigation.