---
key: cosl
short_name: Cougaar Open Source License
name: Cougaar Open Source License
category: Permissive
owner: Cougaar Software
spdx_license_key: LicenseRef-scancode-cosl
minimum_coverage: 80
---

Cougaar Open Source License 

The Cougaar Open Source License (COSL) is a modified version of the OSI 
approved BSD License. Sections 3 and 4 have been modified. 

COSL License : 

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

1. Redistributions of source code must retain the original author's copyright notice, 
this list of conditions and the following disclaimer. 

2. Redistributions in binary form must reproduce the original author's copyright 
notice, this list of conditions and the following disclaimer in the 
documentation and/or other materials provided with the distribution. 

3. The end-user documentation included with the redistribution, if 
any, must include the following acknowledgement: "This product includes 
software developed in part by support from the Defense Advanced Research 
Project Agency (DARPA)." 

4. Neither the name of the DARPA nor the names of its contributors may 
be used to endorse or promote products derived from this software without 
specific prior written permission. 

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.