List of Official Google Blogs

1. http://googlewebmastercentral.blogspot.com - Google Webmaster - The official weblog on Google crawling and indexing, and on webmaster tools, including the Sitemaps facility.
2. http://analytics.blogspot.com/ - Google Analytics - Official weblog offering news, tips and resources related to Google's web traffic analytics service.
3. http://googlewavedev.blogspot.com/ - Google Wave Developer
4. http://googleresearch.blogspot.com/ - Google Research 
5. http://googlevoiceblog.blogspot.com/  - Google Voice
6. http://googlebarometer.blogspot.com/ - Google Barometer
7. http://googleblog.blogspot.com/ - Google Blog - Official weblog, with news of new products, events and glimpses of life inside Google.
8. http://googledocs.blogspot.com/  - Google Docs - Cross posted on the Official Gmail blog. The Google Docs Viewer is used by millions of people every day to quickly view PDFs, Microsoft Word.
9.  http://googlemobile.blogspot.com/ - Google Mobile - News, features and tips from the Google Mobile team.
10. http://buzz.blogger.com/  - Google Buzz - Web Fonts, brought to you by our good friends at Google Fonts, let you spice up
11. http://gmailblog.blogspot.com/  - Google Gmail - Official Gmail Blog
12. http://googleindia.blogspot.com/ - Google India - Millions of businesses are experiencing radical productivity gains with web-powered tools, and today Google Apps collaboration is ready for every employee. .
13. http://google-opensource.blogspot.com/  - Google Open Source - News about Google"s Open Source projects and programs.
14. http://googlesystem.blogspot.com - Google System - Google Body Browser
15. http://googleenterprise.blogspot.com/  - Google Enterprise - A blog Enterprise Information, Search, App, the users live there.
16. http://googlecode.blogspot.com/ - Google Code - Official weblog about Google development projects, including from the Summer of Code.
17. http://google-latlong.blogspot.com/  - Google LatLong - News and Noted by Google Earth and Maps.
18. http://googlesitesblog.blogspot.com/ - Google Sites - News and Notes from Google Sites
19. http://adwords.blogspot.com/ - Google Adwords - News, Tips, Notes on Adwords.