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CactusViewer vs qimgv: catalog facts
CactusViewer	qimgv
Free Free and open source under the BSD 2-Clause licence; donations are welcome.	Free Free and open source.
Windows	Windows, Linux
Single executable with no installer needed GPU rendering through a custom Direct3D 11 renderer	Quick copy and move shortcuts for sorting images Configurable themes and shortcuts
Windows only No packaged releases on the GitHub repository	Updates may be slow, as the developer states Video support is marked experimental
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License: GPL-3.0
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 September 24, 2026

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