PowerBroker Identity Services Open

PowerBroker Identity Services Open

Open-Source Active Directory (AD) Bridging

A free and open source version of PowerBroker Identity Services, giving you the access and flexibility to tailor your Active Directory bridging project

Core Active Directory Authentication for Linux, UNIX, and Mac Systems

The PowerBroker Open project was launched in December, 2007. Since that time over 100,000 organizations in both the public and private sector have used PowerBroker Open for core Active Directory authentication for Linux, UNIX, and Mac systems by joining them to Active Directory domains.

PowerBroker Identity Services Open is a complete, clean room, ground-up, Windows-compatible implementation based on a modern architecture. PBISO provides a modular, programmatic, solution that pays particular attention to clarity, extensibility, and usability. This allows ISVs to easily incorporate our solution. PowerBroker Identity Services uses pluggable authentication modules (PAM) and name service switch (NSS). It supports Kerberos, NTLM, and SPNEGO authentication.

PowerBroker Open is available under a GPL/LGPL v2 license or with a commercial license.


Manage Active Directory from Linux or Mac OS X: Joins Linux, UNIX, and Mac OS systems to Active Directory in a single step via a GUI tool or from the command line.

User Management: Authenticates users with a single username and password on Windows and non-Windows systems.


Access Control: Enforces password polices across Windows and non-Windows systems.

Credential Caching: If you lose network access or the domain controller is down, you keep working.

Related Resources: Get the most out of Open-Source Active Directory (AD) Bridging