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mcat vs lsix: catalog facts
mcat	lsix
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0 licence.
Windows, macOS, Linux, Command line	Windows, Command line
Views images, video, Markdown, PDF and Office files in one command Available through cargo, Homebrew, AUR, Nix and Scoop	Shows real thumbnails inside the terminal Supports almost any image format through ImageMagick
Output quality depends on the terminal's graphics support Command line only	Requires a sixel-capable terminal and ImageMagick Infrequent updates, last change in 2024
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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 October 2, 2026

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