TL:DR; Wayk Now lets you take control of a remote computer, or allow an authorized user to take control of your computer.
Wayk Now lets you take control of a remote computer, or allow an authorized user to take control of your computer. Wayk Now is free for personal and commercial use and currently available on Windows, Max OS X and Linux.
Net Monitor for Classroom is a program that allows a view of a computer monitor of a remote computer, which is connected to the network. After start the program displays the screens of all remote computers. Teacher can also lock the remote computers.
Mail Access Monitor is a simple tool that analyses mail server logs and shows how much traffic is being used by e-mail, who sends and receives most messages, where the messages are being send to and if e-mail abuse takes place in your office.
Remote Desktop Screenshot allows you to capture remote desktop screenshots. You can see all users' desktops at once. With built-in scheduler you can set time for update screenshots for all computers or for certain computers.