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Oculante vs nomacs: catalog facts
Oculante	nomacs
Free Free open-source software.	Free Free and open source under the GPL 3.0.
Windows, macOS, Linux	Windows, macOS, Linux
Fast viewer built in Rust Wide image format support	Opens RAW camera files and Photoshop PSD documents Synchronises pan and zoom between two windows or two machines
Project is in maintenance mode Editing features are basic	Not an editor; adjustments are minimal The interface exposes a lot of panels at once
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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