The h-node.com source code (h-source project) is hosted at Savannah. http://savannah.nongnu.org/projects/h-source/
The source code of the client for h-node.com (h-client project) is hosted at Savannah. http://savannah.nongnu.org/projects/h-client/
h-admin is a set of tools in order to carry out some administrative actions upon the h-source mysql tables (for example change the group of a registered user)
in order to use h-admin you have to have h-source already installed
h-admin and h-source share the same database. You have only to create some new tables in order to use h-admin
You can download the h-admin source code (GPLv3) here: