Technical variations of Solaris distributions include support for different hardware devices and systems or software package configurations. Organizational differences may be motivated by historical reasons. Other criteria include security, including how quickly security upgrades are available; ease of package management; and number of packages available.
These tables compare each noteworthy distribution's latest stable release on wide-ranging objective criteria. It does not cover each operating system's subjective merits, branches marked as unstable or beta, nor compare Solaris distributions with other operating systems.
"to deliver a OpenSolaris based distribution that is compatible with the previous Sun Solaris SXCE versions, that is as POSIX compatible as possible and that tries to stay compatible with SVr4 interfaces."