Innovating, user friendly, free and useful, the following services are dedicated to the community and collaboration! They are based on softwares developed by the Neuf Cegetel company and several sticks are open source. I’ll write about it in details, right now visit the pages:

http://www.wengophone.com : chat and audio messenger

http://www.wengovisio.com : video online

http://www.wengomeeting.com : videoconference

http://www.wengo.com : online services