L1d is a Lagrangian one-dimensional solver for simulating transient aerodynamic facility gas dynamics. The code was written by Peter Jacobs, and you can get a copy of it from him.
mb_cns is a multi-block compressible Navier-Stokes solver for simulating transient gas dynamics. The code was written by Peter Jacobs, and you can get a copy of it from him.
eddybl - David Wilcox's boundary layer calculator found in Turbulence Modeling for CFD, 3rd ed.