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JPEGView vs Oculante: catalog facts
JPEGView	Oculante
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free open-source software.
Windows	Windows, macOS, Linux
Supports common image formats and many camera RAW files.	Fast viewer built in Rust Wide image format support
It focuses on viewing and adjustments rather than layered composition.	Project is in maintenance mode Editing features are basic
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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