I built my own from the ground up using React.js and Python Flask with a Neo4j graph database (stating that for my other tech buddies out there). 

Are there good apps where everybody gets visibility into, tenant review, expense tracking, lease review etc.I have put my portfolio on Stessa but looking at something that is more scalable with strong LLC and legal formation articles etc.

Landlords wanting to help Renters pay rent should help renters sign up for the Government Rent relief that will go directly to landlords' bank account, and renters then no longer owe us. they now would owe the government, to Qualify a Renter must claim Covid-19 hardship and sign app landlords must help most do it to collect. https://www.latimes.com/busine...

Hey all! What is your favorite app for communicating with contractors and inspectors over long-distance? Ideally an app that records video, takes photos, allows your team to narrate and record their observations of th...

Or is there a tuturial on the app or websiteshowing you the best way to navigate the website.

I didn't think of an app. 

Let me dig through my database and I will message you a couple names to get quotes from.

People take selfies and upload their IDs and software makes sure they match and can check databases for falsified documents, etc. 

BP has some great calculators to start with but you eventually want to have your own database from scratch or software with "Your" specific needs.

If it's in an LLC you can either skiptrace the LLC via BatchLeads or trace them through the state's Secretary of State business search database and go from there or Google the LLC as many have websites or social media presence.