Use screen casting software for individual presentations
Screenr (http://www.screenr.com/)—Screenr is a simple to use Web-based screen casting tool.
Screencast-o-matic (http://www.screencast-o-matic.com/)—Screencast-o-matic is Web-based and limited to 15 minutes for the free version. One can save and then upload a presentation or use an embed code to add the presentation into a discussion area.
Jing (http://www.techsmith.com/jing/)—Jing is a desktop application limited to 5 minutes for the free version. Once saved, the presentation can be uploaded to the LMS.
Use conferencing software for group presentations
Adobe Connect (http://www.adobe.com/ConnectWebConference)
Elluminate Live (http://www.elluminate.com/)
WhizIQ (http://www.wiziq.com/)—There is a free version of this conferencing software.