Music recognition:
AudioTag.info🔌,
SoundHound🍎🤖
Music recognition - singing association:
midomi
Media codecs:
K-Lite Codec Pack⊞
Volume configuration:
SoundVolumeView⊞■□
Classical music:
Your Classical
Podcast search engine:
Listen Notes☁,
Player FM🍎🤖☁
Podcast archive:
Podcast Index☁
Podcast management:
gpodder.net⊞■⌘🐧🍎🤖⇉☁,
Juice⊞■⌘🐧,
Pocket Casts🍎🤖
beets MusicBee⊞■, Quod Libet⊞⌘🐧, Strawberry Music Player⊞⌘🐧
Torrent/Usenet tracking client:
Lidarr
Music download:
Download Music School☁
Streaming/hosting server💾:
mStream,
Plexamp
Quality detection:
Fakin' The Funk?
Search:
AudioBB
Search - freemium books:
Tokybook
Search - public domain books:
LoudLit.org,
LibriVox,
The Project Gutenberg Open Audiobook Collection
Audiobook management:
audiobookshelf💾,
Booksonic
Audible AAX file conversion:
AAXtoMP3
Equalization:
HiFiScan
Equalization - room correction:
Dirac Live⇉
Gain adjustment:
MP3Gain⊞
Metadata:
Amvidia Tag Editor⌘,
Discogs*,
Mp3tag⊞■⌘,
MusicBrainz Picard⊞■⌘🐧
Metadata - album art search/download:
Album Art Downloader⊞
Metadata - audiobooks:
Chapter and Verse⊞
Metadata export:
Amvidia To MP3 Converter⌘
Music server:
Funkwhale