CNCjs vs Fluidd
A side-by-side comparison of CNCjs and Fluidd — pricing, license, deployment, and where each tool wins.
CNCjs
cnc.js.org
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG.
Fluidd
docs.fluidd.xyz
Lightweight & responsive user interface for Klipper, the 3D printer firmware.
| Feature | CNCjs | Fluidd |
|---|---|---|
| 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 Fluidd if…
- ✓You prefer Fluidd's feature set or ecosystem fit.
4–20hmedium risk
Plan a sprint — 4-20 engineering hours, run in parallel for a week.
Export from CNCjs: CSV, JSON
2 things to watch
- ⚠Manual data review recommended
- ⚠Fewer tutorials online for Fluidd — expect more trial-and-error