However, I quickly found what I needed was not part of the software functionality. 

What software should I take advantage of that will help me analyze deals, comps, market research, etc. 

It is the mostpopular software in the industry and all CPAs know how to navigate it which isnice.

You might consider using accounting software tailored for real estate investors, which can help streamline the process and keep everything organized.

Software takes care of the rest. 

No software.

I'm planning to have a separate bank account/accounts for my entire portfolio, just wondering if anyone has recommendations for software to use as someone who'll have buy-and-hold and will be working with a property manager?

We used out seed money to get set up with some education, set up our office, our computer software (deal analyzer, rehab evaluator) signs, cards, joining local REIA, etc.But again it depends on what your plan of attack is. 

Rentler.com - seems to be a free listing software.

Listing the pros and cons of the softwares you currently use would be helpful, too.