Pandemic is a start to more on line business

As a Real Estate Agent, active even during COVID-19 state of emergency, I need to do more on line works and get used to it. Although my job is mostly about communicating face to face, Nowadays I use more FaceTime and other face to face communications available on line. If you know about any Apps related which is free for both sides, please let me know. I will appreciate it. Stay SafeĀ