CGHdist is a Photo & Image software developed by John Innes Centre. After our trial and test, the software is proved to be official, secure and free. Here is the official description for CGHdist:
BrothersoftEditor: CGHdist is a phylogenetics program which estimates distance matrices based on gene content derived from the results of comparative genome hybridisation arrays. The method used is described in our paper (Savva et al) which is available for download. you can free download CGHdist now.