Robin Good: ClickMeeting is a complete webconferencing and webcasting solution, that works across all platforms and browsers, which integrates audio and video-conferencing, screen-sharing, chat and whiteboarding for up to 1000 attendees.
ClickMeeting key features include:
Unlimited online meetings Screen-sharing Text chat + automatic chat translation Room rebranding Desktop sharing Meeting recorder Interactive whiteboard Polling Mobile app
Features: http://www.clickmeeting.com/features
30-day free trial available
Pricing: http://www.clickmeeting.com/pricing.html
40% discount for non-profits
More info: http://www.clickmeeting.com/
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Via Robin Good