Candle

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GRBL controller application with G-Code visualizer written in Qt.

Candle screenshot 1

Cost / License

Free
Open Source (GPL-3.0)

Platforms

Windows
Linux

Candle screenshot 1

Candle screenshot 2

Candle alternatives

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Tags

visualization

Candle News & Activities

Highlights All activities

Recent activities

Meissa-CNC added Candle as alternative to PilotCNC
8 days ago
timint added Candle as alternative to mycnc.app
8 months ago
Paul added Candle as alternative to Rayforge
12 months ago

Candle information

Developed by
Denvi
Licensing
Open Source (GPL-3.0) and Free product.
Written in
C++
Alternatives
14 alternatives listed
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Supported Languages
- English

GitHub repository

1,694 Stars
613 Forks
25 Open Issues
Updated Aug 29, 2026

Popular alternatives

Candle was added to AlternativeTo by wilfried18 on Mar 25, 2017 and this page was last updated May 26, 2020.

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What is Candle?

Candle - GRBL controller application with G-Code visualizer written in Qt. GRBL controller application with G-Code visualizer written in Qt.

Supported functions:

Controlling GRBL-based cnc-machine via console commands, buttons on form, numpad. Monitoring cnc-machine state. Loading, editing, saving and sending of G-code files to cnc-machine. Visualizing G-code file