Software developers
Run your controller against a predictable rig: discovery, GET and SET, sensors and error paths, reproducible from one config file and controllable over a REST API.
QubiResponderYour test rig, in software:
Simulated fixtures for testing lighting control software
QubiResponder joins your network as an Art-Net node with a rig of simulated RDM fixtures behind it. Point QubiSet or your own software at it and exercise discovery, configuration and monitoring without a case of hardware.
See QubiResponder in action
A whole rig on one machine
Every screen below is the built-in web interface of one running QubiResponder, simulating ten fixtures on a single laptop.
Simulated RDM Fixtures
Each simulated fixture answers discovery and RDM commands like real hardware, with its own labels, DMX address, footprint, personality, sensors and identify state.
One simulator, three test benches
QubiResponder is the responder our own QubiSet end-to-end tests run against, and it is just as useful outside our walls.
Device manufacturers
Rehearse how your tools behave against devices that misbehave on purpose: queued responses, timeouts, collisions and failed uploads, injected on demand.
Technicians and trainers
Practice RDM workflows on a simulated rig before touching the real one, and run training sessions anywhere a laptop goes.
Built to behave like real hardware
A simulator is only useful when it is faithful. QubiResponder implements the management protocols real fixtures speak and reproduces the imperfections real fixtures show, so what passes against it holds up in the venue.
Art-Net 4, RDM and LLRP
QubiResponder appears as an Art-Net 4 node with RDM responders behind it, and answers LLRP discovery and configuration over IP. These are the protocols your tools use to find, identify and configure a rig.
Real-world timing and failures
Responses can honor configurable DMX wire timing, queue behind ACK timers, collide and be discarded or corrupted, or fail in exactly the way you ask for through the failure injection API.
Netron compatibility
A config-driven subset of Netron HTTP endpoints, including the firmware upload flow, verified against the real Netron firmware update tooling.
RDM file transfer
Simulated devices can expose virtual files for upload and download over RDM E1.37-4 file transfer, with per-file policies for testing tools that ship firmware or fixture data.
Free to start, unlimited when you need it
QubiResponder Free is a fixed rig of ten simulated fixtures under the QubiCast manufacturer ID. The paid plan makes the rig yours to shape.
QubiResponder Free
A fixed test rig, free with a QubiCast account.
- 10 simulated fixtures
- Fixed QubiCast fixture profile
- 1 installation
QubiResponder
The full simulator for serious test setups.
- Unlimited simulated fixtures
- Full fixture configuration
- JSON import and export
- 2 installations
QubiResponder Pro is coming
Pro is in the works. Subscribe to the newsletter and we will tell you the moment it is ready.
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Get QubiResponder Free
QubiResponder is rolling out with Early Access. Subscribe to the newsletter and we will tell you the moment it opens.
Get notifiedFAQ
Answers about what QubiResponder simulates and how to run it.
A network node speaking Art-Net 4, with simulated RDM fixtures behind it, LLRP discovery and configuration, and a Netron-compatible HTTP interface. Each fixture carries its own identity: labels, DMX start address, footprint, personality and sensors.
No. QubiResponder simulates the management side of a rig: discovery, configuration and monitoring over RDM, LLRP and Art-Net management packets. It is not a DMX playback engine.
No. QubiResponder runs on an ordinary computer and joins whatever network you point it at. Your controller or test setup sees a rig of responding fixtures on the wire.
A JSON file defines the rig: fixtures, sensors, timing and failure behavior. While it runs, the built-in web interface and REST API let you toggle protocols, override sensor values and inject failures live.
QubiResponder Free is a fixed rig of ten simulated fixtures under the QubiCast manufacturer ID, on one installation. The paid plan offers unlimited simulated fixtures, full fixture configuration, JSON import and export, and two installations.