It was originally designed to be run in standalone mode in a container but has recently grown support for working with an existing OpenSSH server as well.
HGKeeper is licensed under the GNU AFFERO GENERAL PUBLIC LIECENSE version 3.
The source code for HGKeeper is of course hosted by an HGKeeper instance at keep.imfreedom.org/grim/hgkeeper.
We have an issue tracker which is available at issues.imfreedom.org/issues/HGKEEPER.
If you are having any other issues, you can reach us on XMPP at email@example.com.