Gmail

Gmail is a free webmail and POP email service from Google, Inc. It is known as Google Mail in the United Kingdom and Germany.

Blogger

In 2003, Google acquired the Pyra Labs and Blogger services. Formerly premium features that needed to be paid for were made available for free by Google. The tool, Blogger, is a service to make weblog publishing easier. The user does not have to write any code or worry about installing server software or scripts. Nevertheless, the user can influence the design of their blog freely.

Code

Google Code is Google's site for developers interested in Google-related development. The site contains Open Source code and lists of their API services.

Diagram of the basic elements and process flow of Extensible Stylesheet Language Transformations.

AjaXSLT is an open source project developed by Google. AjaXSLT is the technology that Google uses for projects such as gmail and Google Earth. Google released it as an open-source javascript library. You can download and try it out for free.

In the package that google provides it has some confusing filenames. xslt.html is a test page that uses XSLT and can be run from your hard drive without a web server. The coolest part with this page is that you can edit some XML and CSS and if you click process it executes your code and displays it. It’s phenomenally efficient.

xpath.html is an interactive parser.

DomainKeys is an e-mail authentication system designed to verify the DNS domain of an E-mail sender and the message integrity. The DomainKeys specification has adopted aspects of Identified Internet Mail to create an enhanced protocol called DomainKeys Identified Mail (DKIM). This merged specification is the basis for an IETF Working Group which plans to guide the specification towards becoming an IETF standard.