The software tools presented in PINPOINT such as the Energy Design Guide (EDG) are available here als freeware.
These tools are designed for the optimization of the building envelope already in the early planning.

Energy Design Guide EDG

Excel Tools
Windows- and Macintosh-Excel-installations
Sun angles
U-value computation
Radiation based heat transmittance RHT and temperature transmittance TT
Maximum fluw speed vmax of the boundary layer