Vote for GoverLAN
Licensed per user, not per node, it is amongst the most cost-effective solutions you can find on the market. Plus, no software needs to be pre-installed on your machines. The Goverlan Suite consists of 5 main products:
Administration & Diagnostics: Execute real-time remote administration and troubleshooting on your users, computers or groups. Remote Control: As long as your clients are connected to the internet, you can remote control them anywhere they are. Create a customizable and dynamic view of multiple desktops. Shadow ICA & terminal services server user sessions. Initiate ICA, RDP and VNC sessions. Scope Actions: Empowers you to take control of your machines, users and groups as a whole. Every bit of data, setting, and action can now be reported, modified and executed at a scope level. WMIX: Allows for remote administration using WMI technology, without the need to script. Command Line: Provides every feature offered by Goverlan via a command line.