QLab is powerful macOS software for designing and playing back sound, video, light, and show control cues. It's a flexible, reliable, and user-friendly tool used by everyone from to .

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QLab is made and supported by Figure 53, a small company of 19 people headquartered in Baltimore, Maryland, USA.

We are engineers, artists, designers, composers, actors, musicians, and more. We help people put on a great show.

We also make Go Button, professional audio playback for iOS, and run The Voxel, a multi-use performing arts lab.