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Exhibit vs F3D: catalog facts
Exhibit	F3D
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 in one viewer Gaussian splatting and volume rendering support
A viewer only, with no editing Designed for Linux and GNOME	A viewer, not an editor Minimal interface with few editing features
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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