Check out Bright Eyes. They're really weird experimental folk/electronic.
Toby Foster; he's folk/punk.
We Butter the Bread With Butter; German electro metalcore.
Have Heart; old hardcore.
Bubblegum Octopus; experimental Nintendocore.
That's all I can think of now. Give em a go! Keep an open mind.
I've been listening to a lot of Mumford and sons lately. Also, if you like muaic with beautiful lyrics, try josh Ritter. He is an incredible songwriter.