TextIndexNG is designed and written by Andreas Jung and published under the
Zope Public License ZPL (http://www.zope.org/Resources/ZPL)

The following parts of TextIndexNG are not covered by the ZPL:

  - Some converters are based on code from the DocumentLibrary published under
    the Kaivo license (Thanks to Casey Duncan).

  - TXNGSplitter uses parts of the "libdict" packages. The package is published
    under the Berkely License.  Copyright (C) 2001 Farooq Mela. All rights reserved.

  - The german thesaurus is based on the thesaurus published on
    www.openthesaurus.de and published under the GPL.
