1)   Virtins Sound Card Instrument 2.0
It consists of a sound card real time oscilloscope, a sound card real time spectrum analyzer and a sound card signal generator, and can run them simultaneously. It supports sophisticated triggering method including pre-trigger and post-trigger.

 2)   Virtins Pocket Instrument 1.0
It consists of a real time oscilloscope, a real time spectrum analyzer and a signal generator, and can run them simultaneously. It supports sophisticated triggering method including pre-trigger and post-trigger.

 3)   Audio Multi-Channel Generator 5.05
Eight-channel multi-tone audio frequency sinusoidal & noise signal generator is intended for adjusting and measuring parameters of audio equipment.