
Beaker Browser - Beaker is an experimental peer-to-peer Web browser.shallow-backup - Easily create lightweight documentation of installed applications, dotfiles, and more.UrBackup - UrBackup is Client/Server network backup for Windows, macOS and Linux.Syncalicious - Keeping multiple macOS preferences in sync can be painful, but it shouldn't be.Mackup - Keep your application settings in sync (macOS/Linux).waveSDR - macOS native desktop Software Defined Radio application using the RTL-SDR USB device.shairport-sync - macOS/Linux/FreeBSD/OpenBSD Airplay audio receiver.jmc - jmc is new macOS media organizer.iTunes-Volume-Control - This app allows you to control the iTunes volume using volume up and volume down hotkeys.fre:ac - The fre:ac audio converter project.eqMac2 - System-Wide Equalizer for the Mac.MuteMic - macOS app to mute & unmute the input volume of your microphone.Tickeys - Instant audio feedback for typing.Suohai - Audio input/output source lock for macOS.

SpotSpot - Spotify mini-player for macOS.SpotMenu - Spotify and iTunes in your menu bar.Sonora - Minimal, beautifully designed music player for macOS.ShazamScrobbler - Scrobble vinyl, radios, movies to Last.fm.PlayStatus - PlayStatus is a macOS app that allows the control of Spotify and iTunes music playback from the menu bar.NoiseBuddy - Control the listening mode on your AirPods Pro in the Touch Bar or Menu Bar.Music Bar - Music Bar is macOS application that places music controls right in your menu bar.Mous Player - Simple yet powerful audio player for BSD/Linux/macOS.MonitorControl - Control your external monitor brightness, contrast or volume directly from a menulet or with keyboard native keys.LyricsX - Lyrics for iTunes, Spotify and Vox.Lyricism - macOS app to show you lyric what currently iTunes or Spotify is playing.LocalRadio - LocalRadio is software for listening to "Software-Defined Radio" on your Mac and mobile devices.Plays MP3+G and MP4 with WebGL visualizations.

Karaoke Forever - Host awesome karaoke parties where everyone can queue songs from their phone's browser.

The basic layout is a single-paned playlist interface with two retractable drawers, one for navigating the user's music folders and another for viewing audio file properties, like bitrate.

Please take a look at the Mac Help User Guide, specifically, this section: I can understand the importance of wanting to use a specific key when changing inputs. I see that you would like to change the input source with the caps lock key on macOS Sierra. Thank you for using Apple Support Communities.
