BSD
FreeBSD
OpenBSD
Linux
Red Hat family Linux (including CentOS/Fedora/Scientific/Oracle variants)
Debian GNU/Linux and derivatives
Ubuntu Linux and derivatives
SuSE and OpenSuSE
Other Linux
macOS
Solaris
Windows
The PostgreSQL apt repository supports the currently supported stable versions of Debian:
Stretch (9.x)
Jessie (8.x)
Wheezy (7.x)
on the following architectures:
amd64
i386
ppc64el