You might want to go here for your ID's

Judging by the photograph, I'd say that this is one of the harvestman 'spiders ', which aren't true spiders. Its long, hinged legs and the wide attachment of the cephalothorax and abdomen, making it look like it has just one chubby body segment. It 'could ' be the angle from which the picture was taken, but I'm pretty sure you have a species of Opiliones....not a spider (Araneae)

Here's a site with tons of Orbweavers. I'd say safe, just a bit creepy when you get zapped by their webs at night, but they're gone by morning and alot less bugs. Here is a link that might be useful: Orbweavers

Why, thank you! I guess he's the one that made an amazing web that stretched from our porch roof to the ground.