Justborrow is an interesting way to borrow books and connect with booklovers in your locality. Organize your book titles using our user-friendly interface, and we'll use your geo-coordinates to find opportunities within your neighbourhood to exchange your books for other books you want to read.

http://justborrow.appspot.com

TwitNit offers an elegant yet simple user interface that provides results from Twitter, YouTube, Google News, and Google Local along with the modified Google Results. TwitNit has removed thousands of Spam and Malware sites from its Index providing better results, than the Google Default. The combination of Realtime and traditional results lets the user get both a sense of what has happened and what is happening. .

http://twitnitsearch.appspot.com/

A free private git hosting service built on Google App Engine technology.

http://gitfarm.appspot.com

Kalydo is a browserbased 3D game platform enabling game developers and other publishers to distribute games. The Kalydo Player (application/ browser plugin) is used to run the games directly in the webbrowser. The platform is being used to publish casual 3D games and is moving forward to host the first MMO games.

http://www.kalydo.com

GAE-Board is a freelance board dedicated to projects hosted on Google App Engine. Our aim is to connect web application ideas to the people who can make them happen, and to otherwise stay out of the way. Developers can post Profiles and Templates ( existing apps which can be installed and modified as requested ) and can bid on Client posted Projects.

http://www.gaeboard.com/