Can I use different vcs in a project for different modules?

Hello Vitali,

You can. Use Settings | Version Control to set up the mappings.

I try to find out whether I can use different vcs in a project for
different modules? It seems that I can't but I hope I am wrong :)

--
Dmitry Jemerov
Development Lead
JetBrains, Inc.
http://www.jetbrains.com/
"Develop with Pleasure!"

You can assign VCS roots to directories: http://www.jetbrains.com/idea/webhelp/changing-vcs-associations.html