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Slic3r alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rankAll 3D printing slicers

Top picks

Common reasons people leave Slic3r: last official release (1.3.0) is old; forks get the new features, and few built-in printer presets compared with PrusaSlicer or Cura. We ranked 5 alternatives by how directly each one replaces Slic3r, then by reviews, real visits and how recently each app's facts were checked against its own website. PrusaSlicer currently ranks first.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1PrusaSlicer logoPrusaSlicerOpen source—YesWindows, macOS, Linux5 of 578.2
2Bambu Studio logoBambu StudioOpen source—YesWindows, macOS, Linux3 of 372.2
3OrcaSlicer logoOrcaSlicerOpen source—YesWindows, macOS, Linux4 of 464.8
4UltiMaker Cura logoUltiMaker CuraOpen source—YesWindows, macOS, Linux4 of 461.8
5SiSimplify3DPaid$199 per user (one-time licence)NoWindows, macOS, Linux6 of 657.5
  1. PrusaSlicer logo

    1. PrusaSlicerTop pick

    Best for: Prusa owners and anyone who wants a mature, free slicer that works fully offline

    Open sourceWindows, macOS, Linux

    78.2

    score / 100

    Why switch from Slic3r

    Started as a Slic3r fork and is far more actively developed, with many printer profiles and tree supports.

    Pros

    • Simple, Advanced and Expert modes in one app
    • Fully local slicing with no account
    • Strong organic supports and multi-material tools
    • Free and open source

    Cons

    • Interface is plainer than newer slicers
    • Fewer built-in calibration tests than OrcaSlicer
    • Remote printing features favour Prusa printers
    Visit PrusaSlicer Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.1563
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is PrusaSlicer a good Slic3r alternative?

    Verified facts

    5 of 5 verified
    License
    AGPL-3.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Price
    Free, no account
    Checked Nov 8, 2026prusa3d.com(opens source in a new tab)
    Platforms
    Windows, Mac, Linux
    Checked Nov 8, 2026prusa3d.com(opens source in a new tab)
    Local slicing
    Yes
    Checked Nov 8, 2026prusa3d.com(opens source in a new tab)
    Based on
    Slic3r
    Checked Nov 8, 2026prusa3d.com(opens source in a new tab)
  2. Bambu Studio logo

    2. Bambu Studio

    Best for: Bambu Lab printer owners who want the tuned, officially supported slicer

    Open sourceWindows, macOS, Linux

    72.2

    score / 100

    Why switch from Slic3r

    Open-source slicer from the same lineage, best if you own or plan to buy a Bambu Lab printer.

    Pros

    • Tuned profiles and tight integration with Bambu printers and the AMS
    • Easy multicolour painting with automatic filament mapping
    • Remote printing and monitoring over LAN or cloud
    • Free and open source

    Cons

    • Best suited to Bambu hardware; third-party printer support is thinner
    • Cloud features need a Bambu Lab account
    • Linux builds only via GitHub, not the main download page
    Visit Bambu Studio Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Bambu Studio a good Slic3r alternative?

    Verified facts

    3 of 3 verified
    License
    AGPL-3.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Platforms
    Windows, macOS, Linux
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Based on
    PrusaSlicer
    Checked Nov 8, 2026github.com(opens source in a new tab)
  3. OrcaSlicer logo

    3. OrcaSlicer

    Best for: Hobbyists with mixed or non-Bambu printers who want calibration tools and deep control

    Open sourceWindows, macOS, Linux

    64.8

    score / 100

    Why switch from Slic3r

    Free, open-source fork in the same family with calibration tools and presets for many brands.

    Pros

    • Built-in calibration tests for flow, pressure advance and more
    • Profiles for hundreds of printers across brands
    • Works with Klipper, PrusaLink and OctoPrint
    • No account or telemetry

    Cons

    • Settings depth can overwhelm beginners
    • Support for new Bambu features can lag the official slicer
    • Community-run, so no vendor support
    Visit OrcaSlicer Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is OrcaSlicer a good Slic3r alternative?

    Verified facts

    4 of 4 verified
    License
    AGPL-3.0
    Checked Nov 8, 2026orcaslicer.com(opens source in a new tab)
    Platforms
    Windows, macOS, Linux
    Checked Nov 8, 2026orcaslicer.com(opens source in a new tab)
    Account or telemetry
    None
    Checked Nov 8, 2026orcaslicer.com(opens source in a new tab)
    Network printing
    Klipper, PrusaLink, OctoPrint
    Checked Nov 8, 2026orcaslicer.com(opens source in a new tab)
  4. UltiMaker Cura logo

    4. UltiMaker Cura

    Best for: Beginners and UltiMaker users who want a well-known slicer with plugins and material profiles

    Open sourceWindows, macOS, Linux

    61.8

    score / 100

    Why switch from Slic3r

    Free slicer with a huge printer library and a plugin marketplace, from a different codebase.

    Pros

    • Recommended mode gets beginners printing quickly
    • 400+ settings for fine-tuning
    • Marketplace for plugins and material profiles
    • Free and open source

    Cons

    • Profiles for fast modern printers lag behind OrcaSlicer
    • Can feel slow with large or complex models
    • Fewer built-in calibration tools than competitors
    Visit UltiMaker Cura Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is UltiMaker Cura a good Slic3r alternative?

    Verified facts

    4 of 4 verified
    License
    LGPL-3.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Open source
    Yes, free
    Checked Nov 8, 2026ultimaker.com(opens source in a new tab)
    Settings
    400+
    Checked Nov 8, 2026ultimaker.com(opens source in a new tab)
    Platforms
    Windows, macOS, Linux
    Checked Oct 29, 2026ultimaker.com(opens source in a new tab)
  5. Si

    5. Simplify3D

    Best for: Engineering teams and print farms that want a supported, paid slicer for mixed printer fleets

    PaidWindows, macOS, Linux

    57.5

    score / 100

    Why switch from Slic3r

    Paid slicer with fine per-region process control, for people who want commercial support.

    Pros

    • Different settings per model or region on one plate
    • Manual control over support placement
    • Profiles for hundreds of printers
    • Professional support staff and offline licence option

    Cons

    • Paid licence where good slicers are free
    • Standard licence needs an internet connection
    • Closed source with no community plugins
    Visit Simplify3D Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Simplify3D a good Slic3r alternative?

    Verified facts

    6 of 6 verified
    Price
    $199 per user
    Checked Nov 8, 2026simplify3d.com(opens source in a new tab)
    Money-back guarantee
    2 weeks
    Checked Nov 8, 2026simplify3d.com(opens source in a new tab)
    Licence activation
    Internet connection required
    Checked Nov 8, 2026simplify3d.com(opens source in a new tab)
    Customers
    In over 170 countries
    Checked Nov 8, 2026simplify3d.com(opens source in a new tab)
    Starting price
    $199 per user (one-time licence)
    Checked Nov 8, 2026simplify3d.com(opens source in a new tab)
    Student discount
    25% or more (Education Discount Program)
    Checked Nov 8, 2026simplify3d.com(opens source in a new tab)

The best Slic3r alternative for…

The highest-ranked app in this list for each need.

PrusaSlicer logo

Best Slic3r alternative for most people

PrusaSlicer

Started as a Slic3r fork and is far more actively developed, with many printer profiles and tree supports.

Bambu Studio logo

Best Slic3r alternative for a free option

Bambu Studio

Open-source slicer from the same lineage, best if you own or plan to buy a Bambu Lab printer.

OrcaSlicer logo

Best Slic3r alternative for open source

OrcaSlicer

Free, open-source fork in the same family with calibration tools and presets for many brands.

UltiMaker Cura logo

Best Slic3r alternative for Mac

UltiMaker Cura

Free slicer with a huge printer library and a plugin marketplace, from a different codebase.

Si

Best Slic3r alternative for Windows

Simplify3D

Paid slicer with fine per-region process control, for people who want commercial support.

PrusaSlicer logo

Best Slic3r alternative for Linux

PrusaSlicer

Started as a Slic3r fork and is far more actively developed, with many printer profiles and tree supports.

Slic3r alternatives: common questions

What is the best alternative to Slic3r?

PrusaSlicer ranks first right now. Started as a Slic3r fork and is far more actively developed, with many printer profiles and tree supports. Bambu Studio and OrcaSlicer follow it in our ranking.

Slic3r vs PrusaSlicer: what's the difference?

Both Slic3r and PrusaSlicer are free and open source. Both run on Windows, macOS and Linux.

Is Slic3r free?

Slic3r is free and open source.

Is there a free alternative to Slic3r?

Yes. PrusaSlicer (open source), Bambu Studio (open source), OrcaSlicer (open source) and UltiMaker Cura (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Slic3r?

Yes: PrusaSlicer, Bambu Studio, OrcaSlicer and UltiMaker Cura.

Which Slic3r alternatives work on Linux?

PrusaSlicer, Bambu Studio, OrcaSlicer, UltiMaker Cura and Simplify3D run on Linux.

Why do people switch from Slic3r?

The complaints we hear most: last official release (1.3.0) is old; forks get the new features; few built-in printer presets compared with PrusaSlicer or Cura; linux builds need the freeglut package installed separately.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Slic3r, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.