Top CID Alternatives: Seamless Linux Integration with Active Directory
CID (Closed In Directory) has served as a valuable set of scripts for integrating Linux systems into an Active Directory domain, streamlining configurations and enabling Windows-like functionalities such as centralized logon scripts, cached credentials, and Samba-based file and printer sharing. However, as with any specialized software, users often seek CID alternatives that might offer different features, broader compatibility, or simply a fresh approach to domain integration. This article explores some of the best alternatives available for robust Linux-Active Directory interoperability.
Top CID Alternatives
Whether you're looking for enhanced features, a more streamlined setup, or simply a different philosophy for managing your Linux machines within an Active Directory environment, these alternatives offer compelling solutions.

PowerBroker Identity Services
PowerBroker Identity Services (formerly Likewise Open) is a robust CID alternative that excels at joining Linux, Unix, and Mac machines to Microsoft Active Directory. It securely authenticates users using their domain credentials and offers features like Kerberos and Single Sign-On, providing a comprehensive solution for cross-platform integration. It is a Free and Open Source application available for Mac and Linux.

Sharity
Sharity provides an excellent CID alternative for connecting your Unix computer to Windows, Samba, or any other SMB/CIFS server. As a cross-platform network file system, it transparently mounts Windows shares, making it incredibly easy to access network resources. Sharity is a Commercial solution available for Mac and Linux.
Choosing the right CID alternative depends on your specific needs, budget, and desired feature set. We encourage you to explore these options further to find the best fit for seamlessly integrating your Linux systems into your Active Directory domain.