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

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