SIR 2008
SIR suite starts with SIR92, evolved into SIR97 and into SIR2004. The latest version is SIR2006, SIR2008 ; SIR92 is able to solve structures up to about 100 atoms in the asymmetric unit from X-ray single crystal data.
SIR97 is able to solve structures from single crystal data up to 200 atoms in the asymmetric unit: X-ray as well as neutron as well as electron diffraction data are allowed. Download for free from:
http://www.ic.cnr.it/registration_form.php