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aTrain vs Buzz: catalog facts
aTrain	Buzz
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, Linux	Windows, macOS, Linux
Includes speaker detection without uploading recordings.	Supports microphone transcription and subtitle exports.
Model downloads and local processing resources are required.	Processing speed depends on your hardware and selected model.
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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