Carla is an audio plugin host, with support for many audio drivers and plugin formats. It has some nice features like automation of parameters via MIDI CC (and send output back as MIDI too) and full OSC control.


Mainstage is not available for Windows but there are some alternatives that runs on Windows with similar functionality. The best Windows alternative is Carla, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Mainstage and five of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Mainstage are Cantabile, Gig Performer, Blue Cat's PatchWork and Camelot Pro.
Carla is an audio plugin host, with support for many audio drivers and plugin formats. It has some nice features like automation of parameters via MIDI CC (and send output back as MIDI too) and full OSC control.


Cantabile is a music workstation for live performing musicians. Build your ideal rig - one that leaves you free to focus on giving your best performance.

Build and control your live music rig with Gig Performer to transform and elevate your live performing experience by gaining complete control over the sound of your instrument or voice.



Blue Cat's PatchWork is a universal plug-ins patchbay that can host up to 64 VST, VST3, Audio Unit or built-in plug-ins into any Digital Audio Workstation (DAW) in one instance.




Camelot is a live performance tool you have never seen before.
It’s cross-platform (Mac OS, Win, iOS) and connects several hardware and software instruments via MIDI into a live performance setup.



