Compare software

Aviator vs ab-av1: catalog facts
Aviator	ab-av1
Free Free and open source under the GPL 3.0 or later.	Free Free and open source under the MIT licence.
Linux	Windows, Linux, Command line
Easy AV1 encoding without the command line Uses SVT-AV1 and Opus	Finds the CRF automatically from a VMAF target Fast VMAF sampling instead of full trial encodes
Limited to AV1 video and Opus audio output Linux only	Command line only Needs ffmpeg with the relevant encoders and VMAF installed
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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