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CNCjs vs Plotly

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

CNCjs icon
CNCjs
Plotly icon
Plotly

CNCjs vs Plotly: 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.

Plotly: Plotly is an open-source graphing library for Python, R, JavaScript, and Excel. It allows users to create interactive, publication-quality graphs, charts, and dashboards that can be embedded in websites and apps. Plotly is useful for data analysis and visualization.

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 Plotly
Sugggest Score
Category Development Data Visualization
Pricing Open Source 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

Plotly
Plotly

Description: Plotly is an open-source graphing library for Python, R, JavaScript, and Excel. It allows users to create interactive, publication-quality graphs, charts, and dashboards that can be embedded in websites and apps. Plotly is useful for data analysis and visualization.

Type: software

Pricing: Open Source

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
Plotly
Plotly Features
  • Interactive data visualization
  • Support for Python, R, JavaScript, Excel
  • 2D and 3D plotting
  • Statistical charts
  • Dashboards
  • Collaboration tools
  • Exporting and sharing

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
Plotly
Plotly

Pros

  • User-friendly
  • High-quality visualizations
  • Cross-platform compatibility
  • Open source and free
  • Large gallery of examples
  • Active community support

Cons

  • Steep learning curve
  • Limited customization compared to matplotlib
  • Online dependency for full functionality
  • Freemium pricing model limits features

Pricing Comparison

CNCjs
CNCjs
  • Open Source
Plotly
Plotly
  • Open Source

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