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lsix vs viu: catalog facts
lsix	viu
Free Free and open source under the GPL-3.0 licence.	Free Free and open source.
Windows, Command line	Windows, macOS, Linux, Command line
Shows real thumbnails inside the terminal Supports almost any image format through ImageMagick	Native protocol support for iTerm and Kitty gives sharper image rendering than plain ASCII Written in Rust, so it is fast and has a small footprint
Requires a sixel-capable terminal and ImageMagick Infrequent updates, last change in 2024	Best image quality depends on using a terminal that supports its native protocols Command-line only, aimed at developers comfortable with a terminal
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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