Welcome to WebmasterWorld Guest from 184.108.40.206
Forum Moderators: incrediBILL
As for off-the-shelf, I'm not aware of a specific program to recommend. There are some expensive "community" programs that include all three.
If it is in scripting, changing it to use one login is doable, but would require custom programming. If you don't know the programming, then it is probably not an option.