JACK is a professional sound server daemon that provides real-time low latency connections for both audio and MIDI data between applications that implement its API. The API can be used through either JACK1 or JACK2.

Soundflower is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is JACK Audio Connection Kit, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Soundflower and 11 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Soundflower are VB-Audio VoiceMeeter, VB-Audio Virtual Cable, Virtual Audio Cable and Synchronous Audio Router.
JACK is a professional sound server daemon that provides real-time low latency connections for both audio and MIDI data between applications that implement its API. The API can be used through either JACK1 or JACK2.

Voicemeeter is Audio Mixer Application endowed with Virtual Audio Device used as Virtual I/O to mix and manage any audio sources from or to any audio devices or applications.




VB-Audio CABLE is a Windows Audio Driver working as a Virtual Audio Cable. After installing the VB-CABLE driver, a new playback device appears in the audio device list and can be set as default device. VB-CABLE can be set as the default device, just like any regular audio device.


Virtual Audio Cable is the definitive audio routing tool for Windows that lets you redirect audio streams between applications and devices on your computer. It enables you to do things like record your speaker output, send an audio stream from a DAW software to a video editor or...


Synchronous Audio Router is a software-based audio routing driver for Windows. You can create any number of Windows audio endpoints, either playback or recording, and route them using any digital audio workstation software which supports ASIO, all with low latency.

Audio routing software seamlessly connects applications to the Dante network, transforming PC and Mac inputs and outputs into sharable network resources, enabling integration with professional Dante gear and inter-device audio sharing through Dante audio over IP solutions.



MIXLINE is an audio mixing software that performs audio routing, mixing, and streaming. All bundled into a beautiful User Interface!.



Wave Link is the audio mixing software for the Elgato Wave microphones. Together with the Wave microphone, up to eight other audio sources can be mixed together and two separate outputs; a monitor mix and a stream mix are created.




Dante Virtual Soundcard turns your computer into a Dante-powered workstation, seamlessly integrating your PC or Mac with Dante audio devices on your network. Dante doesn't require a special ethernet interface, you probably aleready have all you need.

Usually, all programs send their audio output to your soundcard independently. With Virtual Audio Stream you can route the output signal of any application to be the input signal of any other application.



JACK Audio is much more complicated and requires actually starting up the server for routing to take effect but it fundamentally addresses the same issue of routing which Soundflower does.