The webhelpindexer is released under the Apache 2.0 license and includes software from other projects. The webhelpindexer was originally developed by N. Quaine and released under a MIT/BSD-style license. See LICENSE.txt. This product includes software developed by The Apache Software Foundation (http://www.apache.org/). See LICENSE.txt. This product also includes software released as part of the Snowball project maintained by Martin Porter and Richard Boulton released under a BSD-style license: http://snowball.tartarus.org/