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The most widely used free slicer, offering a huge material library, intuitive UI, and regular updates from Ultimaker.
#3 Simplify3D
A premium, Windows/macOS/Linux slicer known for its advanced support generation and fine‑tuned print settings.
Free slicer with a clean UI, powerful automatic support, and cloud‑based model library.
#5 SuperSlicer
A community‑driven fork of PrusaSlicer that adds extra features like variable layer height, custom G‑code macros, and more.
#6 Slic3r
The original open‑source slicer that birthed PrusaSlicer; still maintained with a minimalist interface.
Browser‑based slicer integrated into Onshape and Fusion 360, great for quick web‑based slicing.
All‑in‑one 3D printing software that includes design, slicing, and printer control, available for Windows, macOS, and Linux.
Free host software with built‑in slicer (Slic3r engine) and extensive printer management tools.
#10 Bambu Studio
Slicer from Bambu Lab, optimized for their printers but works with many other machines; features AI‑assisted support.
Official slicer for Zortrax printers, offering material‑specific profiles and a simple UI.
#12 Lychee Slicer
Specialized for resin printing, with powerful auto‑support and hollowing tools; free tier available.
#13 CraftWare
Free slicer from CraftBot, featuring a modern UI, cloud sync, and multi‑printer management.
Official slicer for FlashForge printers; simple interface with pre‑configured material profiles.
#15 AstroPrint
Cloud‑based platform that includes a web slicer, printer monitoring, and remote job management.
#16 3DPrinterOS
Enterprise‑grade SaaS with a built‑in slicer, fleet management, and analytics.
Popular Raspberry‑Pi host; when paired with the CuraEngine plugin it provides web‑based slicing.
Free, open‑source slicer that runs in the browser; integrates with Onshape and other CAD tools.
#19 Formware 3D
Slicer for Formlabs printers, offering advanced support generation and material libraries.
#20 NanoDLP
Primarily a DLP/LCD resin printer controller, but includes a simple slicer for converting STL to printable layers.
#21 Skeinforge
One of the earliest open‑source slicers; still usable for basic slicing needs and highly scriptable.