License
Table of contents
Rhino is open source and as of release 1.7R4 Rhino available under MPL 2.0. Versions prior to 1.7R4 are released under MPL 1.1/GPL 2.0 license.
Additional licenses
Few parts of the overall Rhino codebase are distributed under a different license
Google V8 floating-point conversion code & test suite
Portions of the floating-point conversion code, and portions of the test suite come from the Google V8 JavaScript engine and are copyrighted by the V8 authors, see NOTICE.txt
License for part of the Rhino Debugger
The files in toolsrc/org/mozilla/javascript/tools/debugger/treetable are copyrighted by Sun Microsystems, Inc., see NOTICE-tools.txt