- The deprecated <codeph>gpcheck</codeph> management utility and its replacement <codeph>gpsupport</codeph> are only supported with Pivotal Greenplum Database.
- To use the Greenplum Platform Extension Framework (PXF) with open source Greenplum Database, you must separately build and install the PXF server software. Refer to the build and packaging instructions in the [PXF Packaging README](https://github.com/greenplum-db/pxf/blob/master/package/README.md) file located in the PXF github repository.
- Suggestions to contact Pivotal Technical Support in this documentation are intended only for Pivotal Greenplum Database customers.
Source code for the following open source Greenplum components are located in repositories outside of the Greenplum Database repo:
- To use Backup and Restore with open source Greenplum Database, you must separately build and install the backup/restore software. Refer to the build instructions in the [README](https://github.com/greenplum-db/gpbackup/blob/master/README.md) file located in the Greenplum Backup and Restore github repository.
- To use the Greenplum Platform Extension Framework (PXF) with open source Greenplum Database, you must separately build and install the PXF software. Refer to the build and packaging instructions in the [PXF Packaging README](https://github.com/greenplum-db/pxf/blob/master/package/README.md) file located in the PXF github repository.
