CNCjs
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG.
Description from awesome-selfhosted (CC BY-SA 3.0)
Still maintained? Yes: 15 commits in the last 90 days, latest release v1.11.5 (Sep 2026).
Also an alternative to Octoprint Cloud.
At a glance
CNCjs quick facts
- Health score
- 66/100 SLOWING
- Stars
- 2,663
- Last commit
- 1 month ago (Sep 2026)
- Latest release
- v1.11.5, Sep 2026
- Licence
- MIT
Top alternatives to CNCjs
Full rankings: Octoprint Cloud alternatives
Why it ranks here
Health score explained
CNCjs scores 66/100, #7 of 7 in Manufacturing: 15 commits in the last 90 days earn 17.5 of 35 points, the latest release (v1.11.5, 2 months ago) earns 25.0 of 25, 2,663 stars add 13.7 of 20, an active, unarchived repository keeps 10 and no advertised Docker image leaves the final 10 unclaimed. That places it in the slowing band (40 to 69). The biggest shortfall is commit activity, worth 17.5 more points.
Recomputed nightly from the GitHub API. How the score is calculated.
- Commit activity biggest shortfall 17.5 / 35
15 commits in 90 days (30+ scores full marks)
- Release recency 25.0 / 25
v1.11.5 released 2 months ago
- Stars 13.7 / 20
2.7k stars on GitHub (logarithmic)
- Not archived 10.0 / 10
Repository is active
- Docker support 0.0 / 10
No Docker support advertised
Commit activity
- 15
- Last 90 days
- 49
- Last 12 months
- 1 month ago
- Last push
Ranked #7 of 7 tools in Manufacturing by health , just below LinuxCNC (#6) .
Details
| Licence | MIT |
| Platforms | Nodejs |
| Latest release | v1.11.5 · 2 months ago |
| Stars | 2,663 |
| Open issues | 139 |
| Docker | Not advertised |
| Repository | cncjs/cncjs ↗ |
CNCjs vs its top 5 alternatives
Active tools that share a comparison page or a category with CNCjs (Manufacturing), scored on the same five terms.
CNCjs: common questions
What does CNCjs replace?
Repoly lists CNCjs as an open-source alternative to Octoprint Cloud. Each comparison page ranks every alternative by the same health score, so you can see where CNCjs stands against the others.
Is CNCjs still maintained?
CNCjs had 15 commits in the last 90 days and its last push was 1 month ago; the latest tagged release, v1.11.5, is from 2 months ago. Repoly recomputes this nightly.