Side by side

KMix vs SPACEHUB Producer

Both stand on audio mixing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

KMix

Free plan Linux

Choose KMix if you use Linux and want a free, open-source sound channel mixer with D-Bus control. Look elsewhere if you need a platform other than Linux.

Visit KMix

SPACEHUB Producer offers multichannel routing, spatial object placement, automation, tracking compatibility, and several downmix options at no cost. Factor in the email-consent form and password step when accessing the version 2.0 download.

Visit SPACEHUB Producer

The facts

	KMix	SPACEHUB Producer
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Linux	Mac, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	apps.kde.org	codaaudio.com
On audio mixing software	#10 of 28	#14 of 28

KMix: what it does well

Free plan at no cost.
Free and open-source under GPL-2.0+.
Controls sound card volume and channels.
D-Bus supports remote control and scripting.
Install through Discover, AppStream stores, or a package manager.

What to know first

Available for Linux only.
No free trial is listed.

SPACEHUB Producer: what it does well

Accepts up to 128 input channels and routes to 16 outputs
Positions sound objects in three-dimensional space
MIDI or OSC can trigger snapshots, routines, and movement
Supports several plugin formats and stage tracking
Includes stereo, mono, auxiliary, and headphone downmixes

What to know first

Download access requires a form and email consent
A password is sent by email to access the download
Additional support is directed to local distributors

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