The best Audio Converter alternative to MP3Gain is foobar2000. It's not free, so if you're looking for a free alternative, you could try foobar2000 or soundKonverter. If that doesn't work for you, our users have ranked more than 10 alternatives to MP3Gain, but unfortunately only two of them are Audio Converters.
Audio player offering MP3, FLAC support, gapless playback, customizable interfaces, CD ripping, advanced tagging, ReplayGain, plugins, and is known for its freeware model, running on various Windows versions with high audio fidelity.
soundKonverter is a frontend to various audio converters. The key features are: Audio conversion. En-/decoding. Replay Gain. CD ripping. It is extendable by plugins and supports many backends. It supports reading and writing tags for many formats, so the tags are preserved when c.
Poland
EU
It's just a front-end that supports multiple converters that need to be installed separately, including an MP3Gain-like engine, which may not even be possible to install as-is on Linux, so it's misleading to say that because soundKonverter works on Linux it's a Linux equivalent to MP3Gain. It's far from such a thing.