Compare software

VHS vs agg: catalog facts
VHS	agg
Free The open-source application is available without a license fee.	Free Free and open source under the GPL 3.0 licence.
Windows, macOS, Linux	Windows, Command line
Repeatable recordings defined in text files	Optimized GIF output through gifski Works directly with asciinema recordings
Requires FFmpeg and ttyd.	Only converts asciicast files, so you need asciinema to record first GIFs are larger and less sharp than the live asciinema player
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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