We have been a long time user supporter of SSL-Explorer laterer ADITO / OPENVPN ALS
OPENVPN ALS is to my knowledge a dead project by now, we and lots of others still run and use it daily tho.
I strongly think that incoroprating SSLVP as a module would greatly add value to ClearOS
Problem is that the team behind OPENVPN ALS is not aviable to help.
But if the ClearOSl team could put in the time I think it would be well spent, mattock from the old team would prob be aviable to assist... ( Wouldn't you?)