Strata is released as Open Source Software under the Apache v2.0 license. This is a widely used, business-friendly, license.
Strata includes code originally developed at CERN, which is licensed as follows:
Copyright � 1999 CERN - European Organization for Nuclear Research. Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. CERN makes no representations about the suitability of this software for any purpose. It is provided "as is" without expressed or implied warranty.
Strata also relies on a few third party libraries. Their licenses are listed on the dependencies page.