Maizesoft has released AirRack, a rack format VST host application for Windows which they describe as "a live environment for those who make sound effects for TV program and other live performance".

AirRack provides the following racks:

• Amplifier: the component to connect with the audio interface.
• Mixer: route other devices to the amplifier.
• Effects: dual effects which load VST effect plug-ins.
• VSTi: allow you to give real-time performance.
• MP3 player: play MP3 audio file.
• CD player: play the CD track with your CD-ROM.
• Loop player: play an audio file as a loop.
• Sound FX: a simple sampler to trigger sound effects.
• Graphic EQ: 31 band graphic EQ.

AirRack can be controlled with your MIDI controller and/or your computer keyboard. Both English and Chinese versions are available and it is free.