world-shaker:

Here are 2 of them:

3.)  Google Building Maker -   A great 3D modeling tool used for adding buildings to Google Earth.  You can select a city and create a real building in that city based on images provided by Google. 

4.) Google Swiffy -    Annoyed that you can’t view Flash files on your iPad?  You’re not alone.  Haven’t tried this one myself, but Google claims “Swiffy converts Flash SWF files to HTML5, allowing you to reuse Flash content on devices without a Flash player (such as iPhones and iPads).