BNFinder allows for Bayesian Network reconstruction. It can be used for both dynamic and static networks. It is written in python, and distributed under GNU GPL Library version 2.
The software itself can be downloaded from here. It requires Python version > 2.4, (python 2.5 is recommended). Permanent installation is described in the installation istruction, you can also run it without installing, just unpack the archive, go to the created directory and type: