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lsix vs Terminal Image Viewer: catalog facts
lsix	Terminal Image Viewer
Free Free and open source under the GPL-3.0 licence.	Free Free software under Apache-2.0 or GPL-3.0-or-later.
Windows, Command line	Command line
Shows real thumbnails inside the terminal Supports almost any image format through ImageMagick	Displays image previews in a terminal Can show thumbnails and filenames for multiple images
Requires a sixel-capable terminal and ImageMagick Infrequent updates, last change in 2024	Image rendering depends on terminal color and Unicode support
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0 OR GPL-3.0-or-later
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 October 8, 2026

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