Dim Dim

Dimdim started out when a group of people based in different parts of the world want to keep in touch with each other using various communications technologies.However,such tools were expensive and unreliable,so they came up with a free integrated communication service for people who are constantly required to communicate and collaborate.Dimdim is a web meeting service which allows people to share their desktop or slides with each other.You can also talk,listen,chat or broadcast video through your webcam.Dimdim is based on an Open source platform and the hosted service is available for free without having to download any software.

Link: www.dimdim.com