PNG SVG PSD EPS MORE
Signs
Flat
iOS7 Premium
plus, addition, increase
Black
512x512
Dripicons
Add, addition, signs
plus, signs, more
Add, more, cross
cross, plus, addition
Typicons
plus, operation, more
Elegant Font
Add, plus, Plus Sign
gcons
Plus Sign, plus, addition
Foundation
addition, Add, Plus Sign
plus, signs, adding