Google open-source projects that you probably don't know
blog.0x1fff.com
blog.0x1fff.com
Also we had an idea of replacing perl that was embedded in one of our tools with JavaScript (V8) but the programmer that did that left just after finishing it, and without support we decided to stay with Perl.
and the activex technology used in Chrome, forgot what's it called.
I thought it was odd that they would omit Guice, Gin, and GWT from a list that includes Android and Chromium.
Passes the @google.com test, though as with other projects, not clear the level of Google affiliation.
There is a higher level for official Products and hosted APIs where there is a full-fledged team behind it and a much higher level of support. Instead of being labeled projects, they have top level sites:
http://code.google.com/appengine/
http://code.google.com/webtoolkit/
http://code.google.com/projecthosting/
http://code.google.com/apis/wave
http://code.google.com/apis/gears/
http://code.google.com/apis/adwords/