Hi,

Amber is the best choice.

https://ambermd.org/tutorials/

Indeed, AMBER is best choice among the mentioned softwares.

I am not sure of what you are talking on. If you have AMBER Commercial version, it's very good, if not you can even try out with GROMACS open source with AMBER Force field

Hi,

Nucleic acids are mostly simulated using the AMBER suite. It has several very neatly designed force fields for these types of simulations. CPPTraj offers a wide range of different possibilities to extract information