OpenHierarchy is released as open source under the LGPLv3 license.

In simplified terms this means that the framework can be used to develop proprietary solutions. However, any modifications to the framework itself and the default modules that come with it require that the changes are made available as open source under the LGPLv3 license.


OpenHierarchy has the following dependencies.

Name License Website
Commons DBCP Apache 2.0
Commons IO Apache 2.0
Commons FileUpload Apache 2.0
Commons Pool Apache 2.0
EmailUtils LGPLv3
FileMananger MIT
FileUploadUtils LGPLv3
JavaMail BSD
juniversalchardet MPL 1.1
jQuery MIT
Log4j Apache 2.0
Log4jUtils LGPLv3
Lucene Core Apache 2.0
PureCaptcha LGPLv3
StandardUtils LGPLv3
WebUtils LGPLv3