Config orchestration
From wikinotes
General
saltstack | Administer several machines at once over a custom protocol. Scalable to thousands of machines. | |
ansible | Administer several machines at once via SSH using recipes. | |
puppet | Cross Platform Recipe-Running Daemon to push changes to several servers at once. |
LDAP
openldap | opensource LDAP |
active directory | windows LDAP |
phpldapadmin | manage ldap from web |