Which alternatives does Alternify compare with Autodesk Inventor?

Solid Edge, FreeCAD, Autodesk Fusion, Onshape, SOLIDWORKS. These tools overlap in some workflows; they are not necessarily feature-for-feature replacements.

How should I compare costs?

Open each provider’s pricing page and compare billing periods, seat minimums, feature limits, and any migration costs. Directory prices are summaries and may be out of date.

Software directory

Autodesk Inventor$2,585/yr / $320/mo

Autodesk Inventor is Windows desktop CAD for professional mechanical design, covering parametric parts, large assemblies, sheet metal, frame design and 2D production drawings. It is sold only as a subscription, on its own or inside Autodesk's Product Design & Manufacturing Collection.

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5 Autodesk Inventor Alternatives in 2026

Considerations for Autodesk Inventor

Costs $2,585 a year or $320 a month per user
Runs on Windows only
No perpetual licence is sold, so access ends when the subscription lapses

5 alternatives comparedConfirm current terms with providers

Solid Edge

Best for: Synchronous-technology mechanical CAD

Free

Solid Edge, now sold by Siemens under the Designcenter name, is Windows mechanical CAD that mixes history-based and synchronous (direct) modeling for parts, assemblies, sheet metal and drawings. A free Community Edition is offered for personal, non-commercial use.

Synchronous technology edits geometry directly without a feature history
Parts, assemblies, sheet metal and 2D drafting
Free Community Edition for personal, non-commercial use

Free tier: Listed as free — verify limitsPricing: Free Community Edition (non-commercial) / paid plans — see Siemens

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FreeCAD

Best for: Open-source parametric 3D CAD for engineering

FreeOpen Source

FreeCAD is an open-source parametric 3D modeler for designing real-life objects of any size, from mechanical parts to buildings. It runs on Windows, macOS and Linux, with workbenches for part design, sketching, assemblies, 2D drawings, FEM analysis and CAM.

History-based parametric modeling with a constraint sketcher
Assembly, TechDraw drawing, FEM and CAM workbenches built in
Free for any use, including commercial, on Windows, macOS and Linux

Free tier: Listed as free — verify limitsPricing: Free (open source)

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Autodesk Fusion

Best for: Cloud-connected CAD, CAM and PCB design

Free

Autodesk Fusion combines parametric CAD, CAM toolpaths for CNC machining, simulation and PCB design in one cloud-connected app for Windows and macOS. A limited free personal-use licence covers non-commercial projects by individuals earning under $1,000 a year from them.

Parametric modeling, CAM and simulation in one application
Runs on Windows and macOS with cloud storage and version history
Integrated electronics (PCB) design workspace

Free tier: Listed as free — verify limitsPricing: Free (personal, non-commercial) / $680/yr

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Onshape

Best for: Browser-based CAD with built-in version control

Free

Onshape is cloud-native parametric CAD from PTC that runs in a web browser and on iOS and Android, with nothing to install. Version history, branching and real-time collaboration are built in. The free plan is for non-commercial use only and makes every document public.

Runs in the browser on any OS, including Linux and Chromebooks
Built-in version control with branching and merging
Several people can edit the same design at the same time

Free tier: Listed as free — verify limitsPricing: Free (public, non-commercial) / $1,500/yr Standard / $2,500/yr Professional

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SOLIDWORKS

Best for: Parametric mechanical part and assembly design

SOLIDWORKS from Dassault Systèmes is Windows desktop parametric CAD for mechanical parts, assemblies and 2D manufacturing drawings, widely used in product design and machinery. It is sold through resellers as an annual subscription or as a perpetual licence with yearly maintenance.

Feature-based parametric modeling for parts, assemblies and sheet metal
2D manufacturing drawings generated from the 3D model
Simulation and data-management add-ons in the higher editions

Free tier: Check providerPricing: $2,820/yr Standard / $3,456/yr Professional / $4,716/yr Premium (US list) / $48/yr Makers (non-commercial)

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