Jay had a bunch of fun implementing "A Series of Tubes" a Youtube plugin for Apple TV. You can see the youtube video about it, and the digg.com article that made it a big hit.

metaweasel is a utility we put together to handle a common  photographer's task: remove Exif.Image.ImageDescription tags from batches of photographs.

SkyText is a fun iPhone app for getting the attention of people in busy places.

gifweasel is a fun little utility we put together to handle a common web developer's task: converting an image to the GIF image format and making parts of the image's background transparent.