gSender is a feature-packed CNC interface application.
It’s designed to be clean and easy to learn while retaining a depth of capabilities for advanced users. It was created to bring new concepts to the existing landscape of grbl senders in an effort to advance functionality and ease-of-use.
This is free and open source software.
Key Features
- Accepts standard, grbl-compliant g-code and has been verified to work with many of the common CAM programs.
- Grbl and grblHAL controllers supported.
- Smart machine connection.
- 3-axis digital readout (DRO) with manual value entry.
- All-directional jogging with XY diagonals, jog presets, and incremental/continuous single-button handling.
- Zero-setting and gotos (independent and combined).
- Probing in any direction plus safe continuity detection ensures no broken cutting tools.
- Full imperial/metric compatibility.
- Responsive screen design and workspace customizations including visualizer light and dark theme.
- 3D toolpath visualization (no machine connection required).
- File insight on load (feed range, spindle range, tools used, estimated cutting time, and overall, max, and min dimensions).
- Feed override and active job status indicators.
- Fully exposed keyboard shortcuts for external keyboard/keypad control.
- Joystick support built-in for a variety of controllers.
- Safe height movements – accommodates machines with or without endstops.
- Homing cycle and quick-movement locations available for machines with homing hardware.
- Full spindle/laser support via manual control widgets, active alerting, and live overrides.
- Full mist/flood coolant support via manual control widgets and active alerting.
- Macros buttons (rearrangeable) with enhanced macro variables and individually assignable keyboard shortcuts.
- Lightweight mode reduces processing intensity on less powerful hardware or when running larger files.
- Easy workspace swapping for more advanced jigging or alignment work.
- Optional automatic handling for common error throwing g-code.
- Firmware tool for easier grbl EEPROM changes, loading defaults, and grbl flashing.
- Surfacing tool auto-generates surfacing g-code based on machine cutting area and other preferences, ready to execute.
- Calibration tool for axis alignment – a step by step process to make sure your CNC is square.
- Movement tuning tool for calibrating motor axis movements.
- Tool change functionality – pause, ignore, or run code blocks on M6 commands.
- Start-from-line functionality to resume jobs part-way through in case of failure of abort.
- Outline functionality indicates the rough bounds of the job before cutting.
- Customizable g-code injection at job start and end.
- Tooltips for data entry points.
- Alarm warning explanations to better contextualize CNC errors.
- Sleep management to keep PC awake during g-code sending.
- Pre-built machine profiles, including:
- LongMill
- Shapeoko
- X-carve
- OpenBuilds CNCs
- 3018 CNC & PROVer
- BobsCNC CNCs
- CNC4Newbie CNCs
- Mill Right CNCs
- Ooznest WorkBee
- Nomad
- Carvey
- Mill One, and more…
- JavaScript-based CNC interface software which leverages Electron for cross platform use. The software runs under Linux (both Intel and ARM architectures are supported), macOS, and Windows.
Website: sienci.com/gsender
Support: GitHub Code Repository
Developer: Sienci Labs Inc.
License: GNU General Public License v3.0
gSender is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.
Related Software
| CNC Software | |
|---|---|
| Universal Gcode Sender | gcode platform used for interfacing with advanced CNC controllers |
| LinuxCNC | Drive milling machines, lathes, 3d printers, laser cutters, ... |
| CNCjs | Web-based interface for CNC milling controller |
| gSender | Connect to and control Grbl-based CNCs |
| OpenCamLib | Library providing computer aided manufacturing (CAM) algorithms |
| bCNC | Cross-platform Python application for CNC machines |
| Kiri:Moto | Browser-based Slicer for 3D printers, CNC mills, and Laser cutters |
| OpenBuilds CONTROL | Connect and control your CNC, Laser, Plasma or Dragknife machine |
| Luban | 3-in-1 software tailor-made for Snapmaker machines |
| Inkcut | Control 2D plotters, cutters, engravers and CNC machines |
| Rayforge | Laser cutters and engravers tool |
| MeerK40t | Laser cutting software |
| CAMotics | 3-axis CNC GCode simulator |
| Machinekit | Platform for machine control applications |
Read our verdict in the software roundup.
 Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |