Originally the transactions would be recorded in daybooks, cashbooks, or journals and then transferred to a ledger.Bookkeeping software has now pretty much replaced the need for physical books.Why do small businesses need bookkeeping?

IBM, which ranks No. 9 on ABJ's most recent list of largest employers in the region with a headcount of about 6,000, will need about 375,000 square feet“We can see an opportunity to bring our systems team, our software team, our marketing teams — all teams that support IBM in the Austin city limits — together in one single team,” https://www.bizjournals.com/au...

I've noticed a lot of commercial agents using a maps software that allows you to mark the subject property site.

There are a few companies out there to claim they have the answer/software/platform etc but they are not up to snuff.

In terms of software that you *could* potentially think about using: PropStream is a well known tool but it does cost around ~$100/month. 

Craig Curelops Invest2FI podcast has a discount code for the software on it!

I'm looking for opinions on the best software to use for compiling data.

Doesn't your accounting software/bookkeeping do the same thing?

Many software systems XXXX out the SSN or delete it after a certain amount of time as a safeguard against FCRA violations and identity theft).This legal article is a must read on the subject: https://evict.com/releasing-cr...).Some key points:- At issue here is a federal law called the Fair Credit Reporting Act (so this applies in any US state or territory and does not vary from market to market).- Under the FCRA, your PM is a "Credit Reporting Agency" and as such they cannot (or at least should not) share credit reports, SSN, or other PII with you or anyone else without exposing themselves to significant liability. 

Their phone numbers are about 90% accurate but like most softwares, not all properties have contact data.