UltraVNC is a powerful, easy-to-use free remote control software that can display the screen of another computer (via internet or network) on your own screen. With it, you can access your PC from anywhere. To speedup the remote access you can also install the optional video driver.
LogMeIn Hamachi is a VPN service that easily sets up, and enables secure remote access to your business network, anywhere whenever there’s an Internet connection. It works with your existing firewall, and requires no additional configuration.
Hamachi is the first networking application to deliver an unprecedented level of direct peer-to-peer connectivity. It is simple, secure, and [...]
CrossLoop, a free secure-screen sharing application which was designed for people of all technical skill levels, to view the screen and take control over another computer over the Internet. You can help your friends to rectify their computers’ problems or even collaborate with your friends on some business project via this remote access function.
Radmin (Remote Administrator) is a remote control program which enables you to work on one or more remote computers from your own computer.
RemoteScope is a remote administration tool that allows you to have complete control of the PCs on the network, from a central location. It also features software and hardware Inventory, and software deployment.
It has a familiar, Windows Explorer-like user interface so it does not require any special training, and takes only minutes to install.