Plexus Network Planner
Truly freePredictive WiFi, camera and PoE site planner
Free tier & pricing
Free and open-source; runs entirely in the browser or offline with no account or backend.
Last verified Jun 23, 2026. Report a change →
The short answer
Open-source planner that drops a floor plan, places APs/cameras/switches, draws material-aware walls, and renders a ray-cast signal heatmap plus PoE budgets and BoM exports.
The facts
- Pricing
- Free · Truly free
- Free tier
- Yes
- Runs in browser
- Yes
- Platforms
- Web, Windows, macOS, Linux
- 2D / 3D
- Good 3D
- Learning curve
- Moderate
- Export formats
- —
The catch
No major catches — this one’s refreshingly straightforward.
Best for
Free predictive network and cabling design