Smart Refinement Filter...
Smart Retarget
Smart retarget...
SmartCurve...
Smoke...
Smooth
Smooth area edges
Smooth rounded joins beween lines.
Smoothen vertex
Smoothing
Smudge Stick...
SnowScape...
Snowflakes...
Soft Glass
Soft Vignette...
Soft shadow
SoftMood...
Soften
Solid fill
Solid grid
Image editors, Image viewers, Icons & cursors, 3D graphics editors, Other applications