we are targeting BigBlueButton for on-line classes for 25 users or less. In fact a pointer for each student in a different color appears in Mikogo. I really liked how Mikogo does this and missed it badly in BBB. When screen sharing, students can't create a pointer to point at something on my screen. The target use case for BigBlueButton is to share slides (PDF). We are getting close to a release of BigBlueButton 0.8 beta which will have recording of slides + audio. Next version of BBB will have pdf/ppt recording but no screen sharing recording like Elluminate has. It's a good request, but we have others (such as record and playback) that are taking a higher prirority. That would be nice to take a large group of students and instantly move them into smaller groups where I could move between rooms to give them help. On the downside, Teamviewer and others install native code and can thus hook into the underlying OS to optimize the screen sharing. Only the presenter (the person sharing their screen) needs Java. On the positive site, our desktop sharing will work on Mac, Unix, or PC clients - as long as you have Java installed. We opted to use Java to capture the screen. Screen sharing is one of the weakest part of our product. Screensharing a bit slower than Teamviewer. We have worked on improving the audio in the upcoming BigBlueButton 0.8. Voice not as good as Skype's - slight delay. We've been focused on improving the core capabilities for the moment, such as record and playback. We've not had a lot of request for adding remote control in screen sharing, but your use case is good. Sometimes I want to help fix a problem or type something but I cant. Can't control someone elses mouse via screen sharing. I'm one of the BigBlueButton developers and on behalf of the others, thanks for sharing your feedback. I'll make more use of the PDF sharing next time. This was our first time using BBB so at the end the students were generally positive about it after they figured out how to share their screen.
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