Compare software

nomacs vs Phoenix Slides: catalog facts
nomacs	Phoenix Slides
Free Free and open source under the GPL 3.0.	Free Free download, with donations accepted.
Windows, macOS, Linux	macOS
Opens RAW camera files and Photoshop PSD documents Synchronises pan and zoom between two windows or two machines	Pre-cached full-screen slideshows Fast thumbnails using embedded previews, including from raw files
Not an editor; adjustments are minimal The interface exposes a lot of panels at once	macOS only Viewer and browser rather than a full photo editor
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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