You could consider APT (
http://www.ideiki.com/astro/) instead of, or as well as Backyard EOS - it supports CCD and DSLR.
astrotortilla (
http://sourceforge.net/p/astrotortilla/home/Home/) for plate solving to go to whatever object you choose.
PHD2 (
http://openphdguiding.org/) for guiding.
DSS - DeepSkyStacker is similar to Registax, I think. It might be useful as well.
PixInsight for image processing.
StarTools is another possibility.