Show Cue System, Resolume Avenue, SoundCue, MadMapper, Millumin, MapMap, Go Button, Audio Cues, Watchout, ProVideoPlayer, Isadora, Visibox, Linux Show Player, HeavyM, MultiPlay da-share, VPT, TABULA FaçadeSignage, Smode Studio, Trigger!, Kommander T1, OnCue - Audio Event Controller are some alternatives to QLab.