I'm thinking no one saw your question here, otherwise, someone would have answered. That, or your question is too vague.
There are plenty of websites. The trouble is, are you looking for a small tree, small shrub, a flowering plant, some thing native, something exotic... fact grow usually equals big and it sounds like you don't really have the space. google morning sun plant zone Seattle, and see what pops up.
I would suggest going to a nursery and walking around until you see something you like, then ask a salesperson what they know about it. These days, the plant tag has tons of information.