The Trial Versions of the Vasvar organ has a limited compass of C2-C3 (048-c to 060-c) in the pedal, C2-G5 (048-c to 079-g) in the manuals. All other functions work.
Organ of Dominican Vasvar part.01 HW demo sampleset! (1.05 GB)
Organ of Dominican Vasvar part.02 HW demo sampleset! (534.6 MB)
The price is only € 89. !!
I suggest you buy only after trying the demo.