Great list, and I appreciate how they were organized by categories. - post by go2net
We could use this for lessons... I'm going to try as many as I can - post by andyriddle
http://voicethread.com Weave uploaded or flickr imported images into a media presentation with multiple voices. Record audio, video, or add text or drawn annotations. Others can add video, audio, and text comments as well. See also VoiceThread for Education wiki.
Voicethread looks great for student collaborative presentations - post by gjhugs
http://ping.fm/xttYU Create posters with images, video, audio (uploaded or recorded) and apply a wide range of text effects- note that each one is relatively large sized (may not fit in blog page)
Just added and edu section. I have some students who are starting to create posters for class. Our church youth group leaders are using glogster to create posters for events and posting them on facebook. - post by rjacklin
Not sure about this for classroom use but will give it a whirl - post by gjhugs
http://ping.fm/pBFsu It's YouTube for PowerPoint. Upload Powerpoint/Keynote/PDF content and converts to Flash easily embedded in other web sites. Provide a URL for an audio track, and you can sync it to create an audio narrated "slidecast"
Have used this, slow upload but works well - post by gjhugs