Universal G-code Sender
Will Winder and contributors
Download from the vendor
winder.github.io
A Java program for controlling CNC machines with GRBL, FluidNC, TinyG, g2core and Smoothieware controllers. It shows the toolpath in 3D with the live tool position, allows manual jogging, probing and on-the-fly speed overrides, and includes a G-code editor and a simple Designer tool that imports SVG and DXF. It runs on Windows, macOS, Linux and Raspberry Pi, and the downloads include a bundled Java. It suits desktop routers and milling machines.
Ratings & Reviews
| Licence type | Completely Free, Open Source |
|---|---|
| Licence terms | Open-source licence (GPL-3.0). Free for any purpose including commercial work, with no time limit, no registration and no licence key. |
| Platforms | Linux, macOS, Windows |
| Engineering field | Mechanical Engineering |
| Tool type | CAD & Drafting |
| Vendor site | winder.github.io |
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Last verified: 2026-10-05
