Best software for managing real-estate portfolio?

[Andrew Crichton]

I'm looking for recommendations on a good software/platform to manage my real-estate holdings. I'm primarily invested in multi-family 10-20 units properties. The primary value I'd like to get from this is the ability to view all my holdings, look at historic and current performance of key metrics, and aggregate performance metrics across the whole portfolio. My hope would be to be able to identify what's working well, what's not, and use that data to make changes. 

I source out my property management and it seems most of the platforms I've come across are more geared towards that and less geared towards measuring your real-estate portfolio performance. 

Any suggestions would be appreciated.