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MasVisGtk vs Friture: catalog facts
MasVisGtk	Friture
Free Free and open source under GPL-2.0.	Free The open-source application is available without a license fee.
Linux	Windows, macOS, Linux
Analyzes loudness using EBU R128 measurements Shows waveforms and frequency plots	Several views of the same live audio input
Designed for GNOME on Linux	Live analysis requires an audio input source.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
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 October 8, 2026	Official website Full listing and sources Checked September 22, 2026

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