Demos
sdl_fire1.0
An SDL Fireworks demo
sdl_sine
Sweet Dreams Lodge presents a sine intro. ECS.
SDL_sinus_font-mos
Sinus Font SDL effect
sdlsinusfont-os3
A SDL sinus font demo
sdlsinusfont-os4
A SDL sinus font demo
sds_sprd
Shadows present a spread intro.

sdx-2fee
Sardonyx-2 Feet Intro
sdx_frow
SDX present Frowzy Frog intro, 68000 only, no fast
sdx_mun1
Sardonyx present Mundgoria #1, a single file chip
sec-mem
Secret Members by MM. 2nd Demo at Nexus '95
Seconddemo
Second Demo by Beyond Force

sedna
'Sedna' by Venom

sedna22011
'Sedna2' by Venom
Seduction
Introduction to Seduction by Rebels
Seenpoint1
Sardonyx "Seenpoint", Issue #1
SeenPoint8
Seenpoint #8 by Scoopex [04/98]
selka
This intro seems to be called "Presodent on Selka"
ser_40k
Serenity present a 40k intro from the Party III.

Serendipity2.0
Music production, with full sources

Seven-sins
Seven Sins by Scoopex
severed
2nd at Abduction'96
SFL-AlteredVision1
AGA 64K Deadline 2024
SFL-Antiglitcher
Antiglitcher - Dentro by Software Failure
SFL-BOD_final
BrainOverDrive - 51k intro - final version

SFL-CrackingPosadas
Cracktro from Posadas 2023
SFL-CubicMeditation1.1
Intro by Software Failure
SFL-DistortedRigmarole
48KB Intro from Euskal Encounter 27 in 2019
SFL-Electromathesis
Intro (3rd place) from Revision 2019
SFL-Genoma4k
Genoma - 4k intro released at Euskal Party 8
SFL-Mecanica
Mecanica - 64k intro