Purchase of License

CARROT2 License

Redistribution and use in source and binary forms, 
with or without modification, are permitted provided 
that the following conditions are met: 

- Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer. 

- Redistributions in binary form must reproduce the above copyright notice, 
this list of conditions and the following disclaimer in the documentation 
and/or other materials provided with the distribution. 

- Neither the name of the Poznan University of Technology, Poznan, Poland 
nor the names of its contributors may be used to endorse or promote 
products derived from this software without specific prior written 
permission. 

- We request that you include in the end-user documentation provided with 
the redistribution and/or in the software itself an acknowledgement 
equivalent to the following: "This product includes software developed 
by the Carrot2 Project." 

- No algorithms or technical solutions in the project may be patented
or claimed proprietary. 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.