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+++ b/README.md
@@ -1155,6 +1155,7 @@ Tools and software to help with education and learning.
 
 Software to manage [3D printers](https://en.wikipedia.org/wiki/3D_printing), [CNC machines](https://en.wikipedia.org/wiki/Numerical_control) and other physical manufacturing tools.
 
+- [CNCjs](https://cnc.js.org/) - A web-based interface for CNC milling controller running Grbl, Smoothieware, or TinyG. ([Source Code](https://github.com/cncjs/cncjs/)) `MIT` `Nodejs`
 - [Fluidd](https://docs.fluidd.xyz/) - Lightweight & responsive user interface for Klipper, the 3D printer firmware. ([Source Code](https://github.com/fluidd-core/fluidd)) `GPL-3.0` `Docker/Nodejs`
 - [Mainsail](https://docs.mainsail.xyz/) - A modern and responsive user interface for the Klipper 3D printer firmware. Control and monitor your printer from everywhere, from any device. ([Source Code](https://github.com/mainsail-crew/mainsail)) `GPL-3.0` `Docker/Python`
 - [Octoprint](https://octoprint.org/) - A snappy web interface for controlling consumer 3D printers. ([Source Code](https://github.com/OctoPrint/OctoPrint)) `AGPL-3.0` `Docker/Python`