FreeCAD / FreeCAD

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

OrcaSlicer / OrcaSlicer

G-code generator for 3D printers (Bambu, Prusa, Voron, VzBot, RatRig, Creality, etc.)

openscad / openscad

OpenSCAD - The Programmers Solid 3D CAD Modeller

jarczakpawel / BMCU-C-PJARCZAK

BMCU 370C (Hall) firmware for Bambu Lab A1 / A1 mini / P1S with buffer calibration - all known issues fixed, 100% AMS-compatible behavior.

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.

acoustid / chromaprint

C library for generating audio fingerprints used by AcoustID

huxingyi / dust3d

Dust3D is a cross-platform 3D modeling software that makes it easy to create low poly 3D models for video games, 3D printing, and more.

Slicer / Slicer

Multi-platform, free open source software for visualization and image computing.

MeshInspector / MeshLib

3D geometry processing SDK: fast mesh boolean, mesh repair, decimation, remeshing, offset, point cloud triangulation and ICP registration. C++ with Python, C#, C and JavaScript bindings.

HMITCHR / CadenceSlicer

OrcaSlicer fork that prints with two different nozzle sizes in one print, each at its own layer height.

libfive / libfive

Infrastructure for solid modeling

erich666 / Mineways

Exports models from Minecraft for 3D printing or rendering

cisco / mercury

Mercury: network metadata capture and analysis

kimgh06 / Three_Slicer

3D Slicer For Web Browser (based on OrcaSlicer)

Nishkalkashyap / codex-micro-device

A hand-wired, 3D-printed ESP32-S3 macropad that mimics the Codex Micro - built in a weekend. Yes, it has RGB.