Blogging has become integral part of internet business. These days every internet company maintains its official blog. Google, being the largest dot com company maintains a big number of blogs. Today I am going to share the list of blogs run and maintained by Google employees. Google says about its blogs.

Whether it’s a product or feature launch or a cool new initiative, chances are that you’ll read about most news from Google on one of our blogs. We started blogging in May of 2004 and now have a network of company blogs that cover topics as diverse as our renewable energy policies, product updates, developer challenges and code snippets, and information for advertisers and partners.

So here comes the list.

• The official Google blog Insights from Googlers into their products, technology, and the Google culture.
• Public Policy blog Google’s views on government, policy and politics.
• Mac blog Macs inside Google.
• Online Security blog The latest news and insights from Google on security and safety on the Internet.
• Open Source blog News about Google’s Open Source projects and programs.
• Research blog The latest news on Google Research.
• Student blog Google news and updates especially for students.
• Testing blog If it ain’t broke, you’re not trying hard enough.
• Google.org blog News and notes from Google’s philanthropic arm.
• RechargeIT blog Recharge a Car, Recharge the Grid, Recharge the Planet.
• Google Base blog The latest news, tips, and resources straight from the Google Base team.
• Blogger buzz blog The Official Buzz from Blogger
• Google book search blog News from the Google Book Search Team.
• Google Checkout blog News for sellers using Google Checkout.
• Google Chrome blog Announcements and release notes for the Google Chrome browser.
• Google Custom search blog Updates and tips from the Google Custom Search team.
• Google Desktop blog The official source of information from Google desktop.
• Google Docs blog News and notes from the Google Docs team.
• Google Enterprise blog A blog about enterprise information, search, apps, and the users that live there
• Adsense for feeds Helping publishers analyze, publicize, and monetize their RSS feeds
• Google Finance blog News and views from the Google Finance Team.
• Gmail blog News, tips and tricks from Google’s Gmail team and friends.
• Google Earth blog News and notes by the Google Earth and Maps team.
• Google Mobile blog News and views from the Google Mobile team.
• Google News blog The official blog from the team at Google News.
• Google Notebook blog News and tips from the Notebook team.
• Orkut blog Your official guide for staying beautiful on orkut.
• Picasa blog News, tips and tricks from the Picasa team at Google.
• Google Reader blog News, tips and tricks from the Google reader team.
• Google Sites blog News and notes from the Google Sites team.
• SketchUp blog News and notes from the SketchUp folks.
• Google talk blog A blog about voice, IM and open communications with Google Talk.
• Google Video blog Showcasing cool new videos from across the web.
• Webmaster Central blog Official news on crawling and indexing sites for the Google index.
• YouTube blog The Official YouTube Blog.
• Product Ideas blog Updates from the Product Ideas team.
• Google Affiliate Network blog News, views and product info for Google Affiliate Network advertisers and publishers.
• Google Analytics blog The latest news, tips and resources straight from the Google Analytics team.
• Consumer Packaged Goods blog News and notes from Google’s CPG vertical (Consumer Packaged Goods).
• Google Grants blog News and notes from the Google Grants Team.
• Official Adsense blog A look inside Google AdSense.
• Official Adwords blog A look inside Google Adwords.
• Traditional Media blog The latest news from Google’s TV, Print and Audio Teams.
• Website Optimizer blog The most up-to-date product news, industry insights and testing strategies
• Conversion Room blog The place to visit for tips on tracking and improving conversions online.
• AdWords API Blog The official source of information about the AdWords API.
• AJAX Search API Blog Your official source on the AJAX Search API.
• Android Developers Blog An Open Handset Alliance Project.
• App Engine Blog News, notes, tips and tricks from the Google App Engine Team.
• Code Blog Official Google code blog
• Data APIs Blog Your official source for news, tips and tricks for the Google Data APIs.
• Desktop APIs Blog Your official source on the Google Desktop APIs.
• Gadgets API Blog A blog for gadget developers.
• Gears API Blog Keep up to date on Gears.
• Geo Developers Blog Geo Developers blog
• iGoogle Developer Blog Your source for API improvements, changes to the sandbox, and developer events.
• Mashup Editor Blog The official source of information about the Google Mashup Editor.
• Open Source Blog News about Google’s Open Source projects and programs.
• OpenSocial API Blog A blog for OpenSocial developers.
• Orkut Developer Blog You’ve come to the right place to learn about APIs, changes and events related to the orkut developer platform.
• SketchUp API Blog The latest news from the SketchUp API team.
• Web Toolkit Blog News and note from the Google Web Toolkit Team.
• YouTube API Blog Your official source for information on the YouTube API

There are some blog based on different geographies. .

• Latin America Blog
• Africa Blog
• Australia Blog
• Brasil Blog
• China Blog
• Czech Republic Blog
• India Blog
• Italy Blog
• Japan Blog
• Korea Blog
• Poland Blog
• Russia Blog
• Ukraine Blog