From HandWiki - Reading time: 6 min
The following is a list of software programs that can communicate with and/or host directory services via the Lightweight Directory Access Protocol (LDAP).
| Product | Vendor | Software license[lower-alpha 1] | Initial Release | Last Release | Last Version | Comments |
|---|---|---|---|---|---|---|
| 389 Directory Server | Red Hat | GPL linking exception[1] with exception to allow linking to non-GPL[2] | 2005, Dec, | 2024, May 15 | 3.1.0 | Formerly Fedora Directory Server |
| Microsoft Entra ID | Microsoft | Proprietary | 2008, Oct 27 | 2025 | ? | Known as Azure Active Directory (AAD) as well |
| Jumpcloud | Jumpcloud | Proprietary | 2013, Sept | 2024, Dec 9 | ? | |
| Red Hat Identity Manager (IdM) | Red Hat | Proprietary | 2008, Apr 1 | 2024 | 4.12 | Fork of FreeIPA. Based on (RHEL 9.10 |
| Active Directory | Microsoft | Proprietary | 2000 | 2024, Nov 1 | 91 (WS 2025) | Integrated on Windows Server |
| Authorized Entities Directory (Æ-DIR) | Michael Ströder | Apache 2.0 | Based on OpenLDAP with additional tools | |||
| Apache Directory Server | Apache Software Foundation | Apache 2.0 | 2006, Oct | 2023, Oct 23 | 2.0.0-AM27 | |
| Apple Open Directory - | Apple Inc. | Proprietary[3] | A fork of the OpenLDAP project | |||
| BEJY LDAP Server,[4] | Stefan "Bebbo" Franke | GPL | A Java LDAP Server. | |||
| CA Directory | CA Technologies | Proprietary | 2024, Dec 2nd | 14.1 | CA Tech was acquired by Broadcom Inc in 2018 | |
| Critical Path Directory Server | Critical Path | Proprietary | Now owned by Synchronoss Technologies. | |||
| Directory services - | ForgeRock | Proprietary | A fork of the OpenDJ project | |||
| DirX Directory | ||||||
| FreeIPA | GNU | GPL | 2008, Apr 1 | 2024, June 10 | 4.12.1 | Using 389 Directory Server |
| IBM Tivoli Directory Server | IBM | Proprietary | 2024, Oct 7 | 7.5 | ||
| LDAPJS.[5] | Mark Cavage[6] | MIT | 2009, May 27th | 2025 | 23.6.1 | Implementation of LDAP in JavaScript on Node.js |
| Mandriva Directory Server | Mandriva development team | GPL | 2011 | 2021, Nov 23 | Now part of Mandriva Management Console | |
| Meerkat DSA | Wildboar Software | MIT | Also supports the full X.500 directory protocols: DAP, DSP, and DOP | |||
| Nexor Directory | ||||||
| NetIQ eDirectory | NetIQ | Proprietary | 1993 | 2023, May 31 | 9.2.8 | Successor. Originally known as Novell Directory Services (NDS). Successr of eDirectory and NDS. |
| OpenBSD ldapd[7] | Martin Hedenfalk, OpenBSD | ISC | ||||
| OpenDJ | Open Identity Platform Community | CDDL | 2010, Dec 21 | 2024, May 7 | 4.6.3 | A fork of the OpenDS project developed by ForgeRock, until 2016,[8] now maintained by OpenDJ Community |
| OpenDS | Sun Microsystems | CDDL | 2024, May 7 | 4.6.3 | CDDL-licensed product no longer maintained, now Oracle Unified Directory. | |
| OpenLDAP | Kurt Zeilenga and others (based on Slapd) | OpenLDAP Public License | 1998, Aug 26 | 2024, Nov 26 | 2.6.9 | LDAP clone from University of Michigan |
| Oracle Directory Server Enterprise Edition[9] | Oracle, based on Sun DSEE | Proprietary | 11g | |||
| Oracle Internet Directory | Oracle | Proprietary | 2023, Jan | 12.2.1.4 | ||
| Oracle Unified Directory (OUD) | Oracle, based on OpenDS | Proprietary | 2024, Apr | 12.2.1.4 | Based on OpenDJ | |
| PingDirectory | Ping Identity | Proprietary | 2002 | 2024, Dec | 10.2.0.0 | Based on OpenDS. Formerly UnboundID Directory Server[10]). Was purchased by Ping Identity in 2016[11] |
| RadiantOne | ||||||
| Red Hat Directory Server | Red Hat | GPL plus exception | 2024, May 15 | 3.1.0 | Commercial version of 389 Directory Server | |
| ReOpenLDAP[12] | Peter-Service R&D | AGPL and OpenLDAP Public License | Fork of OpenLDAP with improved stability for highload and multi-master clustering | |||
| Samba4 | Samba Team | GPLv3 | 1992, Jan | 2025, Jan 6 | 4.21.3 | Active Directory compatible Domain Controller |
| Slapd | University of Michigan | Free | 1993 | 1996 | Standalone LDAP Daemon. Superseded by OpenLDAP[13] | ||
| Sun Java System Directory Server | Sun Microsystems | 2011 | 2011 | No longer maintained | ||
| Wren:DS[14] | Wren Security[15] | CDDL | A community driven open-source fork of OpenDJ project. |
| Name | Environment | Interface | Authentication | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heterogenous | Agnostic | AD | GUI | CLI | IAM | SSO | MFA | NTLM | KDC | SA[S,M]L | OAuth | OIDC | FS | |
| Active Directory | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Apache Directory Server | ? | Yes | No | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes |
| Red Hat Directory Server | No | No | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes |
| FreeIPA | No | No | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes |
| OpenLDAP | Yes | Yes | No | Yes | Yes | Yes | Yes | No | No | No | Yes | No | No | Yes |
| Microsoft Entra ID | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Name | Features | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Replication | GPO | LDIF | PKI | LDAP | NTP | DNS | DHCP | POP3 | IMAP | SMB | CIFS | BRS | DRS | |
| Active Directory | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Apache Directory Server | Yes | No | Yes | Yes | Yes | Yes | No | No | No | No | No | No | Yes | Yes |
| Red Hat Directory Server | Yes | No | Yes | Yes | Yes | No | No | No | No | No | No | No | Yes | Yes |
| FreeIPA | Yes | No | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Red Hat IdM | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| OpenLDAP | Yes | No | Yes | Yes | Yes | No | No | No | No | No | No | No | No | No |
| Azure Active Directory | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes |