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Online 3D Viewer vs Exhibit: catalog facts
Online 3D Viewer	Exhibit
Free Free and open source.	Free Free and open source under the GPL-3.0 or later.
Web	Linux
Opens many 3D and CAD formats, including STEP, IFC and FBX Runs in the browser with no install	Opens many formats, including STEP, STL, glTF, USD and FBX Native GNOME interface
A viewer only, not a modeling tool	A viewer only, with no editing Designed for Linux and GNOME
Web application	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Needs internet	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.