CuraEngine is the open‑source command‑line slicer that powers Ultimaker Cura. If you are looking for other CLI‑friendly slicers or software that can be scripted, automated, or integrated into custom 3‑D‑printing pipelines, the list below provides twenty popular alternatives spanning open‑source projects, commercial packages with CLI support, and cloud‑based slicers that expose API/CLI interfaces.
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Feature‑rich slicer derived from Slic3r, supports CLI operation, multi‑material, and advanced print settings.
Original open‑source slicer written in Perl/C++, offers a powerful CLI for generating G‑code from STL/OBJ files.
A community‑driven fork of PrusaSlicer with extra experimental features and fine‑tuned print parameters, fully CLI‑compatible.
Combines a slicer and a 3‑D modeling tool; provides a command‑line interface for batch slicing and scriptable workflows.
Raise3D’s slicer with a robust CLI (`ideamaker -g`) for automated slicing, supporting multi‑extruder and advanced support generation.
Commercial slicer known for high‑quality prints; includes a command‑line mode (`simplify3d -b`) for batch processing and integration.
Open‑source slicer bundled with MatterControl; can be invoked via `MatterSlice.exe` for headless slicing.
Web‑based slicer that also offers a Node.js CLI (`kiri-moto-cli`) for cloud or local batch slicing.
CraftUnique’s slicer with a hidden CLI (`craftware -s`) for automated G‑code generation, supporting many printer profiles.
FlashForge’s slicer that can be run from the command line (`flashprint -i input.stl -o output.gcode`) for quick slicing.
All‑in‑one host software that includes a CLI slicer (`repetier-host -s`) for batch processing of STL files.
Bambu Lab’s slicer with a command‑line mode (`BambuStudio -g`) that supports their AI‑enhanced slicing algorithms.
Zortrax’s proprietary slicer; offers a CLI (`z-suite-cli`) for enterprise environments and automated workflows.
Mango3D’s slicer focused on resin printing; includes a CLI (`lychee-slicer-cli`) for batch slicing of SLA models.
Keeps It Simple Slicer; a commercial product with a command‑line interface for precise control over G‑code generation.
Cloud‑based slicer with a REST API that can be invoked from scripts to slice models remotely.
While based on CuraEngine, the plugin exposes a simplified CLI through OctoPrint for remote slicing.
Standalone MatterControl application can be launched in headless mode (`mattercontrol -s`) to perform slicing without UI.
One of the earliest open‑source slicers; still usable via CLI (`skeinforge.py`) for legacy workflows.
Community‑maintained fork of CuraEngine with added features and a stable CLI for advanced users.