Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
VNC Connect - VNC is remote access and control software which allows you to view and fully interact with one...
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
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.