FreeBSD

• misc/compat8x package
• LIB32 distribution for base

Linux

Ubuntu/Debian

These require :i386 packages.

• libssl1.0.0:i386 (wraith v1.4.8+ supports this)
• libssl0.9.8:i386
• libc6:i386
• libgcc1:i386

Centos/Redhat

These require .i686 packages.

• openssl-libs.i686
• glibc.i686
• libgcc.i686