I'm specifically looking for gaming social networking software that will allow you to send messages to non friends, steam doesn't allow you to do this. On xbox live and most social networking places you can send messages to non friend users, if they don't want strangers to send them messages they can opt out in the options area. Are there any gaming social networking apps that allow you to do this, i've tried raptr, but i can't add friends in-game, the add friend option doesn't work in game, that's a big layoff.