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Onshape alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Onshape: requires an internet connection, and free plan documents are public. We ranked 5 alternatives by how directly each one replaces Onshape, then by reviews, real visits and how recently each app's facts were checked against its own website. FreeCAD currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1FreeCAD logoFreeCADOpen sourceYesWindows, macOS, Linux3 of 374.6
2Zoo Design Studio logoZoo Design StudioFree plan + paidYesWindows, macOS, Linux +14 of 455.3
  1. FreeCAD logo

    1. FreeCADTop pick

    Best for: Engineers and makers who want free, offline parametric CAD they fully control

    Open sourceWindows, macOS, Linux

    74.6

    score / 100

    Why switch from Onshape

    Free, open source and fully offline, with your files kept locally.

    Pros

    • Free and open source for any use
    • Workbenches for parts, assemblies, drawings, FEM, CAM and BIM
    • Fully scriptable with Python

    Cons

    • Interface less polished than commercial CAD
    • Steeper learning curve for complex models
    • Fewer supplier models and integrations
    Visit FreeCAD Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    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 FreeCAD a good Onshape alternative?

    Verified facts

    3 of 3 verified
    License
    LGPL-2.1
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Platforms
    Windows, Mac, Linux
    Checked Oct 25, 2026freecad.org(opens source in a new tab)
    Modeling approach
    Parametric
    Checked Oct 25, 2026freecad.org(opens source in a new tab)
  2. Zoo Design Studio logo

    2. Zoo Design Studio

    Best for: Engineers and developers exploring code-based and AI-assisted CAD

    Free plan + paidOpen sourceWindows, macOS, Linux, Web

    55.3

    score / 100

    Why switch from Onshape

    Newer CAD that mixes code-based modeling with an AI assistant.

    Pros

    • Models are code you can version and edit
    • AI agent can create and modify parts from text
    • Free desktop app on Mac, Windows and Linux

    Cons

    • Young product with fewer features than established CAD
    • AI usage beyond the free tier costs extra
    • Small user community so far
    Visit Zoo Design Studio Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

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

    Is Zoo Design Studio a good Onshape alternative?

    Verified facts

    4 of 4 verified
    Desktop app price
    Free to download
    Checked Oct 25, 2026zoo.dev(opens source in a new tab)
    Platforms
    Mac, Windows, Linux
    Checked Oct 25, 2026zoo.dev(opens source in a new tab)
    License
    MIT
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Geometry engine
    Zoo's own
    Checked Oct 25, 2026zoo.dev(opens source in a new tab)

The best Onshape alternative for…

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

FreeCAD logo

Best Onshape alternative for most people

FreeCAD

Free, open source and fully offline, with your files kept locally.

FreeCAD logo

Best Onshape alternative for a free option

FreeCAD

Free, open source and fully offline, with your files kept locally.

Shapr3D logo

Best Onshape alternative for a free plan you can upgrade

Shapr3D

Easier direct modeling with an excellent iPad and pencil experience.

Zoo Design Studio logo

Best Onshape alternative for open source

Zoo Design Studio

Newer CAD that mixes code-based modeling with an AI assistant.

Autodesk Fusion logo

Best Onshape alternative for Mac

Autodesk Fusion

Desktop CAD with integrated CAM and a free personal-use licence.

SOLIDWORKS logo

Best Onshape alternative for Windows

SOLIDWORKS

The established desktop CAD with the largest pool of trained users.

FreeCAD logo

Best Onshape alternative for Linux

FreeCAD

Free, open source and fully offline, with your files kept locally.

SOLIDWORKS logo

Best Onshape alternative for working in the browser

SOLIDWORKS

The established desktop CAD with the largest pool of trained users.

Onshape alternatives: common questions

What is the best alternative to Onshape?

FreeCAD ranks first right now. Free, open source and fully offline, with your files kept locally. SOLIDWORKS and Shapr3D follow it in our ranking.

Is there a free alternative to Onshape?

Yes. FreeCAD (open source), Shapr3D (free plan + paid), Autodesk Fusion (free plan + paid) and Zoo Design Studio (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Onshape?

Yes: FreeCAD and Zoo Design Studio.

Which Onshape alternatives work on Linux?

FreeCAD and Zoo Design Studio run on Linux.

Why do people switch from Onshape?

The complaints we hear most: requires an internet connection; free plan documents are public; paid plans are expensive for individuals.

How is this list ranked?

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