MCE2005 - Marching Cube ELD
MCE is experimental program for 3D and 2D electron density map visualization. The software is mainly focused on visualization of ELD calculated from X-ray diffraction data of small molecules, but it will work for small proteins as well. It was tested under Windows 95, 98, NT 4, Win 2000 and Win XP. Read more on MCE's web pages.
FOXGrid
This is the grid extension of FOX software. Read more on this page.
Crystal CMP
This is a simple code, which compares crystal structures. Read more on this page.
Salt or Cocrystal (ΔpKa )
Table with automatic calculation download HERE.