Compare software

Phoenix Slides vs nomacs: catalog facts
Phoenix Slides	nomacs
Free Free download, with donations accepted.	Free Free and open source under the GPL 3.0.
macOS	Windows, macOS, Linux
Pre-cached full-screen slideshows Fast thumbnails using embedded previews, including from raw files	Opens RAW camera files and Photoshop PSD documents Synchronises pan and zoom between two windows or two machines
macOS only Viewer and browser rather than a full photo editor	Not an editor; adjustments are minimal The interface exposes a lot of panels at once
Downloadable app	Downloadable app
Closed 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 October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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