Sync.in is a web based word processor for people to collaborate in real-time.
When multiple people edit the same document simultaneously, any changes are instantly reflected on everyone's screen. The result is a new and productive way to collaborate with text documents, useful for meeting notes, brainstorming, project planning, training, and more.
A VoiceThread is a collaborative, multimedia slide show that holds images, documents, and videos and allows people to navigate slides and leave comments in 5 ways - using voice (with a mic or telephone), text, audio file, or video (via a webcam).