| WebCT | http://www.webct.com/ | |
| Blackboard | http://www.blackboard.com | |
| eCollege | http://ecollege.com | |
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| Real Networks | http://www.real.com | |
| Real Slideshow | http://www.realnetworks.com/products/slideshowplus/ | |
| Lotus Screen Cam | http://www.lotus.com/home.nsf/welcome/screencam | |
| Real Slideshow | |