The best alternative to Soundflower is VB-Audio Virtual Cable, which is free. If that doesn't work for you, our users have ranked more than 10 alternatives to Soundflower, but unfortunately only two of them are.
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...
France
EU
Russia
Virtual Audio Cable is the original and definitive audio routing app. It's for Windows only but Soundflower is the perfect Mac counterpart.