WebEx Communications Inc. is a Cisco Systems, Inc. company that provies on-demand collaboration, online meeting, web conferencing and video conferencing applications. Its products include "Meeting Center", "Training Center", "Event Center", "Support Center", "Sales Center" "MeetMeNow", "PCNow", "WebEx AIM Pro Business Edition", "WebEx WebOffice", "WebEx Connect" and others. According to analyst firm IDC, WebEx is an on-demand market leader.