What Are Some Good Open Source Alternatives to Active Directory?

Posted by Laz on Server Fault See other posts from Server Fault or by Laz
Published on 2009-05-28T01:16:40Z Indexed on 2010/03/28 3:23 UTC
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Filed under:

active-directory

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linux

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group-policy

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user-management

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opensource

I'm looking for a good open-source alternative to active directory that can handle:

Authorization/Authentication
Group Policy
Replication and Trust Monitoring

In addition, are there any consolidated systems out there that handle these responsibilities?

Edit: Since a lot have asked for more details, I am trying to offer a service setting up an infrastructure for organizations, hardware/software setups, right now I am looking at a Linux stack, both desktops and servers, however a hybrid stack is possible, and I am investigating alternatives.

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