Version 5.01 of SDA, in which ECM is included, may be downloaded for academic and non-profit use after accepting the licence. The authors do not assume any responsibility for downloaded software and the use of the software. License agreement in pdf format is here.
To use this software for commercial purposes, please contact the authors:
Rebecca C. Wade
Molecular and Cellular Modeling
EML Research gGmbH
Schloss-Wolfsbrunnenweg 33
D-69118 Heidelberg, Germany