TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
West InterCall Reservationless - Plus - West InterCall Reservationless - Plus is an audio conferencing solution.
LogMeIn - LogMeIn gives you fast, easy remote access to your PC or Mac from your browser, desktop and mobile...
Calliflower - Calliflower is a conference call solution that allows multiple users to dial into a conference bridge, and to conduct web meetings.
UltraVNC - VNC remote access software, support server and viewer software for on demand remote computer support. Remote desktop support software for remote PC control. Free
LoopUp - LoopUp provides simple business conference calls and online meetings.