Most Helpful Guy
It definitely isn't if you are putatively in an exclusive relationship with one or more of them. If you aren't in an exclusive relationship, it can be somewhat of a gray area, depending on how far along Things are with the guys and your mutual understanding, if any, About it. That said, when I am early in the process of Dating with her, I would assume she is Talking to/dating other guys, especially if I met her online.
Most Helpful Girl
If you are honest about it, sure.