The World Smiling - a new site that lets you capture your smiling with webcam, and upload to server. Your photo will appear on online community.
Share YouTube MP3 - a web based application that converts Youtube to MP3 without any software.
Share Youtube Video - same as above web based application, you can download video from Youtube with high quality.
Test Mobile View - a web tool that lets you test website to display on cellphone.
Twitdrip - schedule your own tweets like drops. For fun!