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. |
terraform | Hashicorp's infrastructure-as-code solution |
puppet | Cross Platform Recipe-Running Daemon to push changes to several servers at once. |
chef | Ruby configuration orchestration |
nix home-manager | provision nix user profiles. |
LDAP
openldap | opensource LDAP |
active directory | windows LDAP |
phpldapadmin | manage ldap from web |