RazDC!

Zentyal is a native Microsoft Active Directory® implementation on Linux incorporating all the network services required in a small and medium business environment: Directory & Domain Server, Mail Server, Gateway and Infrastructure Server.

OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol.The suite includes:slapd - stand-alone LDAP daemon (server)libraries implementing the LDAP protocol, andutilities, tools, and sample clients.Also available from the OpenLDAP Project:Fortress - Role-based identity access management Java SDKJLDAP - LDAP Class Libraries for JavaJDBC-LDAP - Java JDBC - LDAP Bridge Driver

Univention Corporate Server is a pre-configured Linux server operating system free of charge. It's the best fit to provide Microsoft Server-like services on the cloud or on the premises, to run and operate corporate IT environments with Windows- and Linux-based clients and to extend those environments with proven enterprise software, also either on the cloud or on the premises.

FreeIPA is an integrated Identity and Authentication solution for Linux/UNIX networked environments. A FreeIPA server provides centralized authentication, authorization and account information by storing data about user, groups, hosts and other objects necessary to manage the security aspects of a network of computers.

The enterprise-class open source LDAP server for Linux. It is hardened by real-world use, is full-featured, supports multi-master replication, and already handles many of the largest LDAP deployments in the world. The 389 Directory Server can be downloaded for free, and set up in less than an hour using the graphical console.

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.

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. It has been designed to introduce triggers, stored procedures, queues and views to the world of LDAP which has lacked these rich constructs.

Active Directory Auditing tool to track all changes and generate reports of all domains of the entire Network. This application easily generates reports to get what, when, where and who changed the information to active directory and track all changes done to users, permission, group and computer. It enables timely alerts for important changes, deletion and modification. It generates the reports on all domain with searching, filtration and sorting and export it different format such as pdf, mht and csv. Administrators can generate Schedule reports for automate delivery in Inbox to track day to day changes or modification. »