TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.

TeamLogger - Simple, employee time-tracking software with automatic screenshots and activity level monitoring. $1 / User / Month.

ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.

Monitask - Employee Monitoring Software with Screenshots, Internet, Activity and Time Tracking

VNC Connect - VNC is remote access and control software which allows you to view and fully interact with one...

Time Doctor - Time Tracking and Time Management Software that is accurate and helps you to get a lot more done each day.