Alcuni suggerimenti:

BigBlueButton

BigBlueButton is an open source web conferencing system for on-line learning. BigBlueButton enables you to share documents (PDF and any office document), webcams, chat, audio and your desktop. It can also record sessions for later playback.

BigBlueButton è gratuito e open source .

OpenMeetings

Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming.

Openmeetings è gratuito e open source.

WebHuddle

Designed with the end-user in mind—as well as the realities of corporate information technology resources—WebHuddle is easy to use and flexible in delivery and installation. To create a meeting today, simply click the log in button, create a profile, and follow the instructions for uploading content and conducting your WebHuddle virtual meeting. During the beta period, there is no charge to use the WebHuddle service.

WebHuddle è gratuito durante il periodo beta.

RHUB Webinar Appliance

R-HUB gives you 6-in-1 web/audio/video conferencing and remote support server that YOU own and YOU control. Forever.

RHUB Webinar Appliance è un prodotto commerciale.