The Discovery Data Tool provides a cross-platform implementation of a Changeset Publisher. It uses JDBC to connect to the database and is thus compatible with most major databases.
Documentation can be found at: http://docs.discoverysearchengine.com/data_integration/datatool.html
Releases can be downloaded from: https://github.com/t11e/discovery_datatool/releases
To run, you will need to create a discovery_datatool.xml configuration file and then execute the run.sh script. The examples/ directory contains some example configuration files to
help you get started.