CNCjs
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG.
CNCjs vs Spoolman
Two self-hosted Manufacturing apps, compared on the facts we track: GitHub popularity and activity, license, language, Docker images and a rough hosting estimate.
Side by side
| CNCjs | Spoolman | |
|---|---|---|
| Description | Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG. | Keep track of your inventory of 3D-printer filament spools. |
| GitHub stars | 2,667 | 3,009 |
| Forks | – | – |
| Open issues | – | – |
| Commits (12 months) | 51 | 823 |
| Last activity | 2026-11-09 | 2026-11-09 |
| Latest release | v1.11.5 (2026-09-13) | v0.27.1 (2026-10-31) |
| Maintenance health | Active | Active |
| License | MIT | MIT |
| Language / platform | Nodejs | Docker, Python |
| Docker Hub image | cncjs/cncjs | – |
| Docker pulls | 24k | – |
| Est. server size | ~1 GB, 1 vCPU | ~1 GB, 1 vCPU |
| Est. hosting from | $5/mo | $5/mo |
| Categories | Manufacturing | Inventory Management, Manufacturing |
| Links | Website · Source | Website · Source |
What the numbers say
- CNCjs and Spoolman have a similar number of GitHub stars (2.7k vs 3k).
- Spoolman had more commits in the last 12 months (823 vs 51).
- Spoolman published a release more recently (v0.27.1 on 2026-10-31; CNCjs's latest is v1.11.5 on 2026-09-13).
- Both are licensed under MIT.
- CNCjs is written in Nodejs; Spoolman in Python.
- Deployment options listed upstream: CNCjs: none listed; Spoolman: Docker.
- Only CNCjs has a Docker Hub image that we detected (cncjs/cncjs).
Summary: CNCjs leads on Docker Hub availability; Spoolman leads on commit activity. The right choice depends on the features you need — read both project descriptions and docs.
This summary is generated from GitHub, Docker Hub and awesome-selfhosted data as of 2026-11-15. It does not rate features or quality.
Get the Docker images
CNCjs
docker pull cncjs/cncjsImage on Docker Hub. Ports, volumes and environment variables differ per app; follow the official docs.
Frequently asked questions
Is CNCjs or Spoolman more popular?
They are close: CNCjs has 2,667 GitHub stars and Spoolman has 3,009 (as of 2026-11-15).
Which is more actively maintained, CNCjs or Spoolman?
Spoolman had more commits over the last 12 months (823 vs 51). Both had repository activity on 2026-11-09. Releases in the past year: CNCjs 10+, Spoolman 9. Our health labels: CNCjs is “Active”, Spoolman is “Active”.
What licenses do CNCjs and Spoolman use?
Both use MIT.
Can I run CNCjs and Spoolman with Docker?
CNCjs has a Docker Hub image (cncjs/cncjs). We did not find one for Spoolman, though the upstream listing mentions Docker as a deployment option.
Read more
Spoolman
Keep track of your inventory of 3D-printer filament spools.
Browse all self-hosted Manufacturing apps.