High Quality Content by WIKIPEDIA articles! OpenIndiana is a Unix-like computer operating system released as free and open source software. It forked from OpenSolaris after the discontinuation of that project by Oracle and aims to continue development and distribution of the OpenSolaris codebase. The project operates under the umbrella of the Illumos Foundation. The stated aim of the project is " to become the defacto OpenSolaris distribution installed on production servers where security and bug fixes are required free of charge".