GroundControl CASTER

GroundControl CASTER by Ginger Audio is a virtual mixer and cable-free audio router for Mac-based content creators. It lets you combine audio from applications, microphones, and audio interfaces, then mix and stream to Twitch, OBS, Zoom, FaceTime, and more. Ideal for streamers, gamers, remote workers, and online instructors, CASTER handles routing, mixing, and recording in one place. It includes free tools like Voice Radio for broadcast-quality voice enhancement and Voice Purity for neural-network noise reduction. A built-in soundboard triggers intros, effects, and alerts, while per-application volume control and support for up to six audio devices keep your setup organized. You can even map MIDI controllers, Stream Decks, or keyboard shortcuts for hands-on control. Whether you’re separating game, Discord, and Spotify audio for OBS or polishing your voice for calls, CASTER simplifies complex audio workflows without cables or extra hardware.