Download location (HTTP): Download location (FTP): Version used: &SDL-version; Package size: &SDL-size; Estimated Disk space required: &SDL-buildsize; The Simple DirectMedia Layer (SDL for short) is a cross-platform library designed to make it easy to write multimedia software, such as games and emulators. SDL will utilize: oss, , , , nas, nasm, and directfb by default if installed prior to SDL.