OrgLDAP is an extensible LDAP user management application supporting groups, *NIX (POSIX, Shadow), Samba and other account types, SSH public keys and sudo roles. It includes a reusable extensible library and a web-based front-end.
SSHsprinkler is a tool to distribute the execution of commands or scripts on a set of remote networked systems. It is portable (written in Python), asynchronous, uses the ssh encryption and manages the logs of the batches carried out on target systems.
V3 is a suite of open source utilities intended to mantain server and distribute software over your network through SSH protocol in batch or interactive mode. Somebody said Ms SMS?? Nooo V3 is much better ;P