Flyfish CAD Viewer

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Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Flyfish CAD Viewer is ranked #14 of 31 in CAD viewer software on Freedom251. It runs on Web.

Compared on CAD viewer software

DWG support: Yes
Platforms: web
DXF support: Yes

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The record

Product: Flyfish CAD Viewer is a browser CAD viewer for DWG, DXF, DWF, DWFx and XPS files.
Target users: The maker lists engineering archives, PLM, manufacturing, construction and after-sales systems as intended use cases.
Rendering: The product page describes WebGL rendering with WASM and Worker runtime assets.
Distribution: The maker lists an npm package, a static demo, WASM assets and private integration as delivery options.
Private deployment: The maker says Flyfish products support static hosting, intranets, private clouds and offline environments, with runtime assets and licensing boundaries depending on plan.
Business integration: The maker lists plain Web, framework components, iframe, Worker/WASM and desktop WebView integration paths that can work with existing frontend, authentication and file APIs.
Local file handling: The project README says files are read locally in the browser and drawings are not uploaded to a backend.
DWG and DXF: The README says DWG parsing uses LibreDWG WebAssembly in a worker and DXF uses JavaScript parsing with a fallback parser.
DWF and XPS: The README says DWF, DWFx and XPS use the dwf-viewer renderer, including 2D vectors, 3D eModel geometry and an optional raster fallback.
Viewing tools: The README lists zoom, pan, fit-to-view, cursor world coordinates, zoom percentage and drag-and-drop in the demo.
BOM extraction: The README describes typed bill-of-materials extraction with CSV and JSON export helpers.
Runtime requirement: The README says applications must serve the DWG and DWF runtime assets at a public URL and configure their paths.
Licensing: The README states the project package license is AGPL-3.0-only.
Support: The product page lists [email protected] for sales and support.

Where it ranks on Freedom251

Best CAD Viewer Software in 2026#14 of 31

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Sources

flyfish.group/en/products/cad-viewer· checked 4 Oct 2026
github.com/flyfish-dev/cad-viewer· checked 4 Oct 2026