Enables you to control computers remotely over the network, even if firewalls are in place. The other side only has to start ShowMyPC as well and you can then use an automatically generated password to access the desktop remotely.
Allows remote control over any network, transports files and enables text chat, which can also be encrypted. Three versions are available: Free (version 4.1 doesn’t support Vista or Mac), Personal (only for Windows) and Enterprise. A detailed version comparison chart can be found here.