There is one missing from the list ... there are 9 of them:

http://qcn.emsc-csem.org/sensor/
http://qcn.stanford.edu/continual/
http://qcn.stanford.edu/sensor/
http://qcn.twgrid.org/continual/
http://qcn.twgrid.org/sensor/
http://radioactiveathome.org/boinc/
http://www.ras.unam.mx/continual/
http://www.ras.unam.mx/sensor/
http://qcn.emsc-csem.org/continual/

If you are just after WuProp hours then they will run without any sensors ... you just don't get any credits but you will get hours for WuProp.