Trusted Solaris 8
Sun's Trusted Solaris 8 builds on the vendor's Solaris foundation with stronger access controls and support for multilevel data separation that extends from the core to the desktop environment.
Trusted Solaris has been around for a few years longer than SELinux. And, as a complete product rather than a do-it-yourself add-on, it boasts a greater integration level of trusted features than SELinux does. Also, unlike SELinux, which is currently best-suited for server deployments, the access controls in Trusted Solaris extend to the desktop environment.
Click here to read the full review of Trusted Solaris.