Alternatives to Zentyal
An Ubuntu-based Linux server with Active Directory compatibility, mail and network services for small offices. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Zentyal
An Ubuntu-based Linux server with Active Directory compatibility, mail and network services for small offices.
Replacements
Listings that take over the same core job as Zentyal.
Univention Corporate Server
A Linux-based server system providing open-source identity and access management for on-premises networks.
Univention Corporate Server provides open source on-premises identity and access management with a freemium model and VM images for VMware, VirtualBox, ESX and KVM.
Samba
Open-source SMB file and print server that can also run as an Active Directory domain controller.
Samba is the free GPL-3.0 option for an Active Directory domain controller and file server on Linux, without Zentyal's bundled mail and management interface.
FreeIPA
Open-source identity management for Linux users and hosts, combining LDAP, Kerberos, DNS and certificates.
FreeIPA is free open source identity management with LDAP, Kerberos, DNS and certificates, focused on Linux hosts and able to trust Active Directory rather than replace it.
Also worth comparing
These listings name Zentyal as their own alternative, so the relationship runs both ways.
389 Directory Server
An open-source LDAP directory server for Linux with multi-supplier replication.
Zentyal provides an Active Directory compatible domain controller on Ubuntu with mail and network services, and requires a paid licence after the trial.
JumpCloud
A cloud directory platform for managing user identities, access and devices across several operating systems.
Zentyal is an on-premises Ubuntu server with an Active Directory compatible domain controller and mail, licensed without client access fees.
Similar software
Related functionality, not a direct replacement.
Webmin
A web-based control panel for administering Unix and Linux servers and the services running on them.
Mailu
A full-featured self-hosted mail server delivered as a set of Docker images.
docker-mailserver
A complete mail server with SMTP, IMAP, antispam and antivirus, packaged as a single container.
OpenLDAP
Open-source implementation of LDAP, with a directory server, a load balancer, client libraries and tools.
Remote Server Administration Tools (RSAT)
Microsoft tools for managing Windows Server roles and features remotely from a Windows client PC.