Bandman writes "For a while now I've been looking for something to integrate my Linux/Mac corporate environment with Windows Active Directory. I was hoping for centralized authentication at best. As I found out, Likewise Software has produced two products, the free Likewise Open and the commercial Likewise Enterprise. Both of them provide much more than just a centralized repository for accounts. I wrote a review of Likewise Open, but I don't have enough experience with Active Directory to really do justice to Likewise Enterprise. If you've been trying to integrate the Linux and Windows worlds, this could be the easiest way to do it."