Samba is the standard Windows interoperability suite of programs for Linux and Unix.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Linux
- BSD
RazDC is described as 'It's an active directory replacement built on CentOS + Samaba4. Includes support for Directory, DNS, DCHP, and NTP type services' and is an app. There are more than 10 alternatives to RazDC for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and BSD apps. The best RazDC alternative is Samba, which is both free and Open Source. Other great apps like RazDC are Zentyal, Univention Corporate Server (UCS), Microsoft Active Directory and FreeIPA.
Samba is the standard Windows interoperability suite of programs for Linux and Unix.
Integrates native Active Directory and all essential network services, including domain, mail, gateway, infrastructure, and security roles, for SMBs, offering web-based management, centralized authentication, file server, VPN, and firewall in a single Linux platform.




UCS is an open platform for central identity & access management, IT management, and active directory, with a web portal for easy access to applications.




Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks and included in most Windows Server operating systems as a set of processes and services.

FreeIPA is an integrated security information management solution combining Linux (Fedora), 389 Directory Server, MIT Kerberos, NTP, DNS, Dogtag (Certificate System). It consists of a web interface and command-line administration tools.

Enterprise-class open source Linux LDAP server. Hardened by real-world use, full-featured, supports multi-master replication. 389 DS can be downloaded for free and set up in less than an hour using the graphical console.
OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol.

SambaBox is an enterprise directory appliance with Web based management interface. SambaBox also offers integrated domain name (DNS), dynamic computer configuration (DHCP), certificate authority (CA), Microsoft Exchange compatible and also supports up to 2016 Functional Level...

OpenDJ is a directory server which implements a wide range of Lightweight Directory Access Protocol and related standards, including full compliance with LDAPv3 but also support for Directory Service Markup Language (DSMLv2).

ApacheDS™ is an extensible and embeddable directory server entirely written in Java, which has been certified LDAPv3 compatible by the Open Group. Besides LDAP it supports Kerberos 5 and the Change Password Protocol.