Befunge
Code that says "Hello, World!":
>55+7*2+, v >4*4+v , v,+1*+55+55< +v55<>55+3*2+,v >55+55+*8+,v 5+ +v,+7*8+55< v,+8*+55+55< 5* 5>55+55+*56++,v >55+55+*56++,^8 5v,++59*+55+55< v+55,*+55+55,+< ^< >3*3+,@ Code that says "Hello World!":
>55+7*2+, v > v v,+1*+55+55< v55<>55+3*2+,v >55+55+*8+,v + +v,+7*8+55< v,+8*+55+55< * 5>55+55+*56++,v >55+55+*56++,^8 5v,++59*+55+55< v+55,*+55+55,+< ^< >3*3+,@