Make your conferences with Dimdim
Dimdim is a free web conferencing service where you can share your desktop, show slides, collaborate, chat, talk and broadcast via webcam. No software to download or maintain.
Features: No Install to Start/Join meetings; Share your Desktop; Audio & Video Conferencing; Present PowerPoint and PDFs; Private & Public Chat; Whiteboard & Annotations; Record and Playback Meetings.
VoIP capability, especially useful for people with limited access to quality phone service, providing free calling to and from any computer with a microphone and an Internet connection.
Dimdim is free for up to 20 people conferences.