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CNCjs vs QLab

Professional comparison and analysis to help you choose the right software solution for your needs.

CNCjs icon
CNCjs
QLab icon
QLab

CNCjs vs QLab: The Verdict

⚡ Summary:

CNCjs: CNCjs is an open-source web-based CNC control software that allows you to control CNC machines from a web browser. It can send G-code commands to CNC machines like 3D printers, laser cutters, CNC routers, and milling machines.

QLab: QLab is an audio, video and show control software used in theater and live performances. It can play back cues, handle automation and lighting, and has powerful cue triggering and scripting. It's easy to use for performers but offers advanced capabilities.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature CNCjs QLab
Sugggest Score — —
Category Development Audio & Music
Pricing Open Source —

Product Overview

CNCjs
CNCjs

Description: CNCjs is an open-source web-based CNC control software that allows you to control CNC machines from a web browser. It can send G-code commands to CNC machines like 3D printers, laser cutters, CNC routers, and milling machines.

Type: software

Pricing: Open Source

QLab
QLab

Description: QLab is an audio, video and show control software used in theater and live performances. It can play back cues, handle automation and lighting, and has powerful cue triggering and scripting. It's easy to use for performers but offers advanced capabilities.

Type: software

Key Features Comparison

CNCjs
CNCjs Features
  • Web-based interface accessible from any device with a browser
  • G-code sender to control CNC machines
  • Visualizer to simulate G-code before running it
  • Supports GRBL and Smoothie compatible CNC controllers
  • Plugin architecture to add custom features and behaviors
  • Responsive UI with mobile support
  • Auto-leveling and mesh bed leveling
  • Jog controls and workspace zeroing
  • G-code file management
  • Macro support
QLab
QLab Features
  • Audio playback and effects
  • Video playback and effects
  • MIDI playback and control
  • Lighting control
  • Cue triggering and automation
  • Scripting and advanced control

Pros & Cons Analysis

CNCjs
CNCjs

Pros

  • Free and open source
  • Easy to set up and use
  • Cross-platform - works on Windows, Mac, Linux
  • Active development community
  • Allows controlling CNC machines remotely
  • Visualizer helps preview G-code before running
  • Extendable and customizable via plugins

Cons

  • Limited documentation and support resources
  • Some advanced features may require plugins
  • May not support every CNC controller
  • Web-based interface has some limitations compared to desktop apps
QLab
QLab

Pros

  • Intuitive and easy to use interface
  • Powerful playback and effects capabilities
  • Robust show control features
  • Widely used in theater and live events
  • Reliable performance

Cons

  • Mac only
  • Can be expensive for some budgets
  • Steep learning curve for advanced features

Pricing Comparison

CNCjs
CNCjs
  • Open Source
QLab
QLab
  • Not listed

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Learn More About Each Product

CNCjs
CNCjs
Reviews, pricing & alternatives →
QLab
QLab
Reviews, pricing & alternatives →

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