Free and Open Source Web Conferencing (Online Meetings, Webinars.
eFront
OCTOBER 31, 2010
It makes it very simple to distribute your content to lots of social media and draw people from various audiences into one place to have conversation. I like the results I'm able to create a Amplify a LOT better than Ning, for instance. They aren't open source, but they have free version.
Let's personalize your content