Feng-GUI empower designers and advertisers to effectively analyze Attention and Attraction in visuals. Find out how people see your website, photo or ad and which areas are getting most of the attention. This artificial intelligence service simulates human vision during the first 5 seconds of exposure to visuals. - Libin Pan
Craigwatch is a free service that allows you to constantly monitor craigslist for whatever you want and receive instant email notifications when something you're watching is posted. Registration is a breeze and adding things to your watch list is as simple as it gets. - Libin Pan
cocos2d for iPhone is a framework for building 2D games, demos, and other graphical/interactive applications. It is based on the cocos2d design: it uses the same API, but instead of using python it uses objective-c. - Libin Pan