Dear Nelly, All the information is available from the Chimera home page and its links, see http://www.cgl.ucsf.edu/chimera/index.html For academic, personal, and nonprofit use, Chimera can be downloaded from the web site free of charge, see http://www.cgl.ucsf.edu/chimera/docs/licensing.html The download contains all the features; there are not really separate modules. In a few cases other groups have created their own plug-ins that work with Chimera, which you would have to get separately from those groups, and there are a few "experimental" features under development, but those will eventually be merged with the main download. I am not sure what you mean by maintenance, but we have new releases every few months, try to answer questions, and try to fix bugs that are reported. Best, Elaine ----- Elaine C. Meng, Ph.D. meng@cgl.ucsf.edu UCSF Computer Graphics Lab and Babbitt Lab Department of Pharmaceutical Chemistry University of California, San Francisco http://www.cgl.ucsf.edu/home/meng/index.html On Oct 11, 2007, at 5:00 AM, DESPLAT Nelly wrote:

Dear sir or madam, I am currently studying at the Université Paul Sabatier of Toulouse (France), in a Bioinformatics program (master degree) and I have a report to write, concerning molecular modelization softwares.

Could it possible to obtain additional informations about your software Chimera?

I would like to know its price, the price of an additionial module, and also how its maintenance work.

I thank you ahead of time for your help.

Sincerely.

Nelly DESPLAT