OrcaSlicer / OrcaSlicer

Open-source slicer that converts 3D models into G-code for FDM 3D printers, with profiles for Bambu Lab, Prusa, Creality, Voron and others.

bambulab / BambuStudio

PC Software for BambuLab and other 3D printers

prusa3d / PrusaSlicer

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)

MarlinFirmware / Marlin

Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

mriscoc / Ender3V2S1

This is optimized firmware for Ender3 V2/S1 3D printers.

spuder / OpenSpool

RFID for 3d printer filament

Ultimaker / CuraEngine

Powerful, fast and robust engine for converting 3D models into g-code instructions for 3D printers. It is part of the larger open source project Cura.