Simple Logging Façade for Java (SLF4J)

Licensing terms for SLF4J  SLF4J source code and binaries are distributed under the MIT license. Copyright (c) 2004-2013 QOS.ch  All rights reserved.  

Permission is hereby granted, free  of charge, to any person obtaining  a  copy  of this  software  and  associated  documentation files  (the  "Software"), to  deal in  the Software without  restriction, including  without limitation  the rights to  use, copy, modify,  merge, publish,  distribute,  sublicense, and/or sell  copies of  the Software,  and to  permit persons to whom the Software  is furnished to do so, subject to  the following conditions:    

The  above  copyright  notice  and  this permission  notice  shall  be  included in all copies or substantial portions of the Software.    

THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,  EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF  MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION  OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.    

These terms are identical to those of the MIT License, also called the X License or the X11 License, which is a simple, permissive non-copyleft free software license. It is deemed compatible with virtually all types of licenses, commercial or otherwise. In particular, the Free Software Foundation has declared it compatible with GNU GPL. It is also known to be approved by the Apache Software Foundation as compatible with Apache Software License.