OpenPKG 2.4 is available for 16 different Unix platforms. Most notably, it is supported on FreeBSD 5.4, NetBSD 2.0.2, Debian GNU/Linux 3.1, Fedora Core 3, SUSE Linux 9.3, and Sun Solaris 9 and 10. Additionally, all CORE and the vast majority of BASE class packages are already available for the tentative platforms FreeBSD 6.0, Gentoo Linux 1.6.12 and Mandriva Linux 10.2. It is also still available for the obsolete platforms Red Hat Enterprise Linux 3, Sun Solaris 8 and FreeBSD 4.11. Finally, OpenPKG is also known to work under IBM AIX 5.1, HP HP-UX 11.11 and MacOS X 10.3.