Compare software

Imagine vs CactusViewer: catalog facts
Imagine	CactusViewer
Free Freeware.	Free Free and open source under the BSD 2-Clause licence; donations are welcome.
Windows	Windows
Very small download with fast loading Broad format support including camera RAW and modern formats like JXL and AVIF	Single executable with no installer needed GPU rendering through a custom Direct3D 11 renderer
Windows only Closed source freeware	Windows only No packaged releases on the GitHub repository
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: BSD-2-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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