Originally Posted by Silk
We've used LiveHelp before. I don't know anything about Gtalk, so I don't know if it is compatible or not. Also, LiveHelp is not free, but it has a one-time-purchase option (if I remember correctly) along with the monthly option.
if by Livehelp you mean Stardevelop Live help (WHMCS live chat), then this is only a one time fee if purchased direct from Stardevelop, but if purchased as a WHMCS addon, you can get it monthly