CellCheckCSD 1.2 that could have been downloaded from our website for free. The program is categorized as Education Tools. The following versions: 1.1 and 1.0 were the most frequently downloaded ones by the program users. The actual developer of the free software is CCDC.
From the developer:
CellCheckCSD is a command-line tool designed in the purpose of performing crystal structure reduced cell checks against the Cambridge Structural Database (CSD). Before collecting a full data set you can check your pre-experiment unit cell against the CSD.
You may want to check out more software, such as Trachtenberg Speed Math, wxMaxima or Archimedes Geo3D, which might be related to CellCheckCSD.