VUMeter ~ Windows Analog VU Meter


A standalone analog VU meter for monitoring PC playback & recording levels.

vumeter

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AcousticBrainz ~ Analyze Your Music


The AcousticBrainz project aims to crowd source acoustic information for all music in the world and to make it available to the public. This acoustic information describes the acoustic characteristics of music and includes low-level spectral information and information for genres, moods, keys, scales and much more. The goal of AcousticBrainz is to provide music technology researchers and open source hackers with a massive database of information about music. ~ AcousticBrainz

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Mp3tag ~ Universal Tag Editor


Mp3tag is a powerful and easy-to-use tool used to edit the metadata of audio files. It supports batch tag-editing of ID3v1, ID3v2.3, ID3v2.4, iTunes MP4, WMA, Vorbis Comments and APE tags for multiple files at once, covering a variety of audio formats.

Furthermore, it supports online database lookups from Amazon, Discogs, MusicBrainz or freedb allowing you to automatically gather proper tags and download cover art for your music library.

You can rename files based on tag information, replace characters or words in tags and filenames, import / export tag information, create playlists and more.

mp3tag-en

Mp3tag Interface

Website
Download
Screenshots
Export Configurations (customized reports)