Compare software

fre:ac vs Transition: catalog facts
fre:ac	Transition
Free Free to use; the project accepts donations.	Free Free and open source under the GPL-3.0-or-later licence.
Windows, macOS, Linux	Linux
Wide range of input and output formats Converts whole libraries and keeps folder structure	Simple video-to-audio conversion Native libadwaita interface
Releases are infrequent Interface is functional rather than modern	Linux only Converts to audio only, with no video output
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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