OrcaSlicer

6.9easy start · #10 of 34
in 3D Printing Software

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, Windows.

OrcaSlicer is ranked #10 of 34 in 3D printing software on The Geeks Club. It runs on Linux, macOS, Windows. There is a free plan.

OrcaSlicer plans and pricing

All plans

OrcaSlicer Free Free, open-source FDM 3D printer slicer · Windows, macOS, Linux orcaslicer.com · 29 Sept 2026

Compared on 3D printing software

Free plan: Yes
Auto supports: Yes
Printer control: Yes
Print monitoring: Yes
Cloud slicing: No
Multi-material tools: Yes
Model repair: Yes

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The record

Product: OrcaSlicer is a free, open-source slicer for FDM 3D printers.
Calibration: Its built-in calibration suite covers flow rate, pressure advance, temperature towers, retraction, tolerance, and maximum volumetric speed.
Print controls: Users can set speed, layer height, pressure, and temperature independently for walls, infill, supports, and other features.
Workflow: The slicer can send jobs to and monitor printers running Klipper, PrusaLink, or OctoPrint.
Printer profiles: The site describes tuned presets for hundreds of printers, including Bambu Lab, Prusa, Creality, and Voron.
License: OrcaSlicer is licensed under AGPL-3.0 and is developed in the open by SoftFever and community contributors.
Privacy: The desktop app works offline, requires no account, and collects no telemetry; models, project files, G-code, and printer settings stay on the user's device.
Optional connections: The app connects for update checks, profile updates, and printer or cloud integrations that users choose to enable.
Integrations: The privacy policy lists optional print-host integrations including OctoPrint, Klipper/Moonraker, PrusaLink, and Duet, plus cloud services such as SimplyPrint, Obico, and Prusa Connect.
Third-party plugin: The Bambu Network Plugin is an optional third-party download and is not installed silently.
Security: The privacy policy says update and profile downloads use HTTPS and print-host credentials are stored locally.
Downloads: Official stable builds are offered for Windows, macOS, and Linux through GitHub Releases, the Microsoft Store, and Flathub; nightly builds may be unstable.
System requirements: The download page specifies Windows 10 or later, macOS 10.15 or later, and Ubuntu 20.04 or equivalent for Linux, with 4GB RAM minimum and 500MB free disk space.
Support: The project directs bug reports and feature requests to GitHub and offers community help through Discord.
Price from: Free

Where it ranks on The Geeks Club

Best 3D Printing Software in 2026#10 of 34
Best 3D Slicer Software in 2026#7 of 27

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Sources

orcaslicer.com· checked 29 Sept 2026
orcaslicer.com/privacy-policy/· checked 29 Sept 2026
orcaslicer.com/download/· checked 29 Sept 2026
orcaslicer.com/contact/· checked 29 Sept 2026
orcaslicer.com/about/· checked 29 Sept 2026