Similar to Glasgow_Haskell_Compiler

Seashore (software)

Seccomp

SemEval

Structured Financial Messaging System

SOFR

SPARC (tokamak)

SPFS

Spike-triggered average

Block, Inc.

Sugar Labs

SuperCard

Sway (window manager)

Synology

S-layer

Teredo tunneling

C date and time functions

Tipp-Ex

Tonnetz

TSR, Inc.

TU8P

VMac

Vorbis comment

Waifu2x