The PowerTools are released as open source software under the Affero General Public License version 3 (AGPLv3), in the hope that they will be useful to many. If you require another type of license, please get in touch.

The engine processes expressions using a parser that is generated by the ANTLR 3 parger generator and the ANTLR 3 runtime binaries are included in the PowerTools .jar file. ANTLR 3 is released under a BSD license.