Ubiquity

Ubiquity is a Mozilla Labs experiment into connecting the Web with language in an attempt to find new user interfaces that could make it possible for everyone to do common Web tasks more quickly and easily.
DimP – A Direct Manipulation Video Player

DimP is a video player prototype that allows to browse video clips by directly manipulating their content.
File destructor

Generates files (.doc, .jpg, .pdf …) that look genuine but won’t launch properly. Basically, it’s a tool that helps you put all the blame on your “faulty computer”.
Hidetext

Hidetext.net lets you convert text to an image. This means you can hide passwords, personal messages, pieces of code, or any kind of private information.