Mainly ones that are a little too out there.
Amarantha, Amaryllis, Chrysantha, Kestrel, Chickadee, Siri, Godric, Thor, Ethel, Atlanta, Ellijay, Tallahassee, Temperance, Lucidity, Truth, Oswin, Archibald, Alethea, Isabeau, Zephyrine, Paralee, Odin, etc.
Also some of the popular names like Haley, Sophia, Olivia, Ava, Audrey, etc
I've always liked Percy as a girl's name, but everyone tells me that it is 1). too often a boy's name to be truly gender neutral and 2). a geeky, unappealing name.
If I could get anyone else on board with it, I would probably use it.