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Best Slic3r Alternatives in 2026

FreeIn 3D Printing Software

15 3D printing software our editors would look at instead of Slic3r, in our ranking order.

—Not yet scored
Slic3r— Visit Slic3r

Slic3r: A mature free slicer with multi-material tools, printer control, and OctoPrint integration. Where it falls short: primarily aimed at advanced users.

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. Scores and reviews are set by our editors and never change for payment; paid placements are marked Featured. How we rank.

  1. OrcaSlicer not yet scored

    Best forAdvanced FDM users who want free calibration control

    A calibration-focused FDM slicer with broad printer-host integrations.

    • Model repair
    • Auto supports
    • Multi-material tools
    —not yet scored
    Visit OrcaSlicer
  2. Bambu Studio not yet scored

    Best forBambu users needing free multi-material workflows

    A free, open-source desktop suite for slicing, multi-material preparation, and Bambu printer control.

    • Auto supports
    • Multi-material tools
    • Print monitoring
    —not yet scored
    Visit Bambu Studio
  3. PrusaSlicer not yet scored

    Best forFree multi-material slicing with automation options

    A capable local slicer for multi-material preparation, automation, and detailed print control.

    • Model repair
    • Auto supports
    • Multi-material tools
    —not yet scored
    Visit PrusaSlicer
  4. Best forFree users wanting mature, configurable FDM slicing

    A configurable, cross-platform FDM slicer with profiles, supports, adaptive layers, and network printing.

    • Auto supports
    • Multi-material tools
    • Print monitoring
    7.3/10★★★★☆
    Visit UltiMaker Cura
  5. Formlabs PreForm not yet scored

    Best forFormlabs production teams using validated workflows

    A focused, free choice for Formlabs teams preparing and sending SLA or SLS jobs.

    • Model repair
    • Auto supports
    —not yet scored
    Visit Formlabs
  6. Best forIndustrial additive manufacturing preparation

    A deep Windows workflow for engineers preparing complex additive manufacturing jobs.

    • Model repair
    • Auto supports
    • Multi-material tools
    Free plan · 30-day trial Our Autodesk Netfabb verdict → Try Autodesk Netfabb
    7.5/10★★★★☆
    Try Autodesk Netfabb
  7. IceSL not yet scored

    Best forProcedural and experimental print generation

    A specialized free tool for procedural models, advanced slicing, and varied output workflows.

    • Cloud slicing
    • Auto supports
    • Multi-material tools
    Free plan Our IceSL verdict → Visit IceSL
    —not yet scored
    Visit IceSL
  8. OctoPrint not yet scored

    Best forFree self-hosted printer control and monitoring

    A free, open-source control hub for monitoring and managing compatible 3D printers.

    • Print monitoring
    —not yet scored
    Visit OctoPrint
  9. Best forUsers switching between resin and filament printing

    A cross-platform slicer with strong support tools for resin and filament workflows.

    • Model repair
    • Auto supports
    • Multi-material tools
    Free plan · paid from €9.99/mo · 30-day trial Our Lychee Slicer verdict → Visit Lychee Slicer
    8.9/10★★★★☆
    Visit Lychee Slicer
  10. Best forMixed-brand teams managing shared printer fleets

    An all-in-one cloud platform for slicing, printer control, monitoring, queues, and models.

    • Cloud slicing
    • Model repair
    • Auto supports
    Free plan · paid from $9/mo Our Polar Cloud verdict → Visit Polar Cloud
    8.3/10★★★★☆
    Visit Polar Cloud
  11. CHITUBOX

    Best forResin users wanting free support and repair tools

    A free slicer with strong support and repair tools for resin workflows.

    • Model repair
    • Auto supports
    • Print monitoring
    7.3/10★★★★☆
    Visit CHITUBOX
  12. Best forSmall teams wanting cloud queues and monitoring

    A cloud 3D printing hub with queues, monitoring, analytics, and remote control.

    • Cloud slicing
    • Print monitoring
    Free plan · paid from $9.90/mo Our AstroPrint verdict → Visit AstroPrint
    7.0/10★★★★☆
    Visit AstroPrint
  13. Best forMulti-printer users wanting automation and low cost

    A low-cost cloud hub for controlling, automating, and monitoring multiple 3D printers.

    • Cloud slicing
    • Multi-material tools
    • Print monitoring
    Free plan · paid from $4.99/mo · 14-day trial Our SimplyPrint verdict → Visit SimplyPrint
    8.3/10★★★★☆
    Visit SimplyPrint
  14. Best forFlexible multi-printer slicing

    A capable multi-printer slicer with free core tools and paid productivity features.

    • Auto supports
    • Multi-material tools
    Free plan · paid from $9.99 Our Craftware Pro verdict → Visit Craftware Pro
    6.8/10★★★☆☆
    Visit Craftware Pro
  15. Best forSchools and fleets needing managed cloud printing

    A managed cloud workspace for slicing, controlling, and monitoring distributed 3D printer fleets.

    • Cloud slicing
    • Model repair
    • Auto supports
    From $19/user/mo · 14-day trial Our 3DPrinterOS verdict → Visit 3DPrinterOS
    8.6/10★★★★☆
    Visit 3DPrinterOS

Slic3r Alternatives: Common Questions

What is the best alternative to Slic3r?

UltiMaker Cura: #5 in our 3D Printing Software ranking, with an editor score of 7.3 out of 10. A configurable, cross-platform FDM slicer with profiles, supports, adaptive layers, and network printing.

Is there a free alternative to Slic3r?

Yes. OrcaSlicer, Bambu Studio, PrusaSlicer, UltiMaker Cura and Formlabs PreForm have a free plan or a free tier (14 of the 15 alternatives on this page).

What is the cheapest paid alternative to Slic3r?

Of the alternatives here that publish a price, SimplyPrint starts lowest, at $4.99/mo.

Slic3r vs Each Alternative

#ToolFree planPaid fromAuto supportsPrinter controlPrint monitoringCloud slicingMulti-material toolsScore
not scoredSlic3rYesNoneYesYes——Yes—
not scoredOrcaSlicerYesNoneYesYesYesNoYes—
not scoredBambu StudioYesNoneYesYesYes—Yes—
not scoredPrusaSlicerYesNoneYesYesYesNoYes—
5UltiMaker CuraYesNoneYesYesYesNoYes7.3
not scoredFormlabs PreFormYesNoneYesYesNoNo——
7Autodesk NetfabbYes—YesYes—NoYes7.5
not scoredIceSLYesNoneYesYes—YesYes—
not scoredOctoPrintYesNone—YesYesNoNo—
10Lychee SlicerYes—YesYesYes—Yes8.9
11Polar CloudYes$9/moYesYesYesYes—8.3
12CHITUBOXYesNoneYesYesYes——7.3
13AstroPrintYes$9.9/mo—YesYesYes—7.0
14SimplyPrintYes$4.99/mo—YesYesYesYes8.3
15Craftware ProYes—YesYes——Yes6.8
163DPrinterOSNo—YesYesYesYesYes8.6

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Guides on 3D Printing Software

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026