Function Grapher and Visual Calculus have the ability of creating 2.5D graphs. The function of 2.5D graph can be in one of the following forms
y=f(x)
x=f1(u), y=f2(u)
r=f(a)
a=f1(u), r=f2(u)

The following figure is a 2.5D graph of function y=sin(x).

Math Software -> Graph Function (Graph Calculus) -> 2.5D Graphs