Same as Sufi.

Supersearch /Ozline Friendly Interface

SOn oF Isaac

SOFI is a complete firewall solution for OpenBSD. It is designed for use as an Internet gateway to share an Internet connection among several computers. It provides network address translation , packet filtering, port forwarding, DNS service, DHCP service, VPN service, and traffic statistics.

a traveler to God who has been able to purify his self and acquired inner light or spiritual enlightenment

Single Optical Fiber Imaging: A category of compact imaging configuration spatial resolution, fast coarse-resolution, slow fine-resolution scanning.