-NNCP should run on any POSIX-compatible operating system with file
-systems supporting directory and filename's length up to 57 characters.
+Possibly NNCP package already exists for your distribution:
+
+@itemize
+@item @url{https://www.freshports.org/net/nncp/, FreeBSD ports}
+@item @url{https://github.com/DragonFlyBSD/DPorts/tree/master/net/nncp, DragonFly BSD ports}
+@item @url{https://github.com/NixOS/nixpkgs/tree/master/pkgs/tools/misc/nncp, NixOS packages}
+@item @url{https://github.com/void-linux/void-packages/blob/master/srcpkgs/nncp/template, Void Linux}
+@item @url{https://tracker.debian.org/pkg/nncp, Debian packages}
+@end itemize
+
+NNCP should run on any POSIX-compatible operating system.