Project is on Google Code:
Further details will appear on the project wiki but this picture is taken after running the following command to set the Digital Outputs to 7, Analog Output 1 to 128 and Analog Output 2 to 255. Multimeter is showing volts on Analog 1 (Roughly half of 5v). It is written in C.
[root@goflex src]# ./v8055 DO=7 AO1=128 AO2=255 Board: Vendor=4303, Product=21760, Version=0, Name=Velleman USB K8055 TS,DI1,DI1C,DI2,DI2C,DI3,DI4,DI5,AI1,AI2,DO1,DO2,DO3,DO4,DO5,DO6,DO7,DO8,AO1,AO2 1333902325382,0,46775,0,4,0,0,0,77,156,1,1,1,0,0,0,0,0,128,255