Letter: S
- smc - 2D platform game that uses OpenGL in a style similar to Super Mario
- smc-music - Additional music for Secret Maryo Chronicles
- smplayer - A graphical frontend for mplayer
- sonic-visualiser-freeworld - A program for viewing and exploring audio data
- staging-kmod - Selected kernel modules from linux-staging
- staging-kmod-addons - Documentation and shared parts for the kmod-staging packages
- stella - Atari 2600 Video Computer System emulator