CNCjs
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG.
- Manufacturing & Agriculture
- JavaScript
- MIT
- Actively maintained
GitHub stats
- GitHub stars
- 2,647
- Forks
- 624
- Open issues
- 137
- Commits, last 12 months
- 49
- Last commit
- Sep 21, 2026
- Latest release
- v1.11.5Sep 13, 2026
- Created
- Aug 21, 2015
Data from the GitHub API, refreshed daily.
About CNCjs
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG. CNCjs is open source under the MIT license and written mainly in JavaScript, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 2,647 stars and 624 forks on GitHub, with 49 commits over the last year. It installs natively rather than through an official Docker image, so plan for a short manual setup.
Topics
- cnc
- gcode
- tinyg
- raspberry-pi
- cnc-milling-controller
- smoothieware
- smoothie
- cncjs
- g2core
- grbl
Repository preview
Similar apps
More apps like CNCjs
Other projects in Manufacturing & Agriculture, ranked by GitHub stars.
Octoprint
OctoPrint/OctoPrint
Snappy web interface for controlling consumer 3D printers.
Manufacturing & AgriculturePythonDockerSpoolman
Donkie/Spoolman
Keep track of your inventory of 3D-printer filament spools.
ERP & InventoryPythonDockerLinuxCNC
LinuxCNC/linuxcnc
Linux based CNC machine controller. It can drive milling machines, lathes, 3D printers, laser cutters, plasma cutters, robot arms, hexapods, and more.
Manufacturing & AgriculturePythonMainsail
mainsail-crew/mainsail
Modern and responsive user interface for the Klipper 3D printer firmware. Control and monitor your printer from everywhere, from any device.
Manufacturing & AgricultureVueDockerManyfold
manyfold3d/manyfold
Digital asset manager for 3d print files; STL, OBJ, 3MF and more.
Manufacturing & AgricultureRubyDockerFluidd
fluidd-core/fluidd
Lightweight & responsive user interface for Klipper, the 3D printer firmware.
Manufacturing & AgricultureVueDocker
What is CNCjs?
CNCjs is a free, open-source app you can host on your own server, listed in our Manufacturing & Agriculture category. Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG. The source code lives at github.com/cncjs/cncjs, where it has 2,647 stars.
Is CNCjs free and open source?
Yes. CNCjs is open-source software released under the MIT license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run CNCjs with Docker?
CNCjs does not list an official Docker image. It installs natively (Nodejs), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to CNCjs?
Popular open-source alternatives to CNCjs include Octoprint, Spoolman and LinuxCNC.
Is CNCjs actively maintained?
The most recent commit to CNCjs was on Sep 21, 2026 with 49 commits in the past twelve months. The latest release is v1.11.5, published Sep 13, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.