CNCjs vs Octoprint
A side-by-side comparison of CNCjs and Octoprint — pricing, license, deployment, and where each tool wins.
CNCjs
cnc.js.org
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG.
Octoprint
octoprint.org
Snappy web interface for controlling consumer 3D printers.
| Feature | CNCjs | Octoprint |
|---|---|---|
| Pricing | Free | Free |
| Model | Open-source | Open-source |
| License | CC-BY-SA-3.0 | CC-BY-SA-3.0 |
| Deployment | Self-hosted | Self-hosted |
| Category | Manufacturing | Manufacturing |
| Self-hosted | ✓Yes | ✓Yes |
| Free tier | ✓Yes | ✓Yes |
Pick CNCjs if…
- ✓You prefer CNCjs's feature set or ecosystem fit.
Pick Octoprint if…
- ✓You prefer Octoprint's feature set or ecosystem fit.
4–16hmedium risk
Plan a sprint — 4-16 engineering hours, run in parallel for a week.
Export from CNCjs: CSV, JSON
1 things to watch
- ⚠Manual data review recommended