Download Google Chrome for Mac OS X (Free)

The list of said extensions is provided as follows (visit the Chrome blog for the download links):

Google Voice - Make calls, send SMS, preview inbox and get notified of new messages right in your browser (US only)

Send from Gmail - Makes Gmail your default email application and provides a button to compose a Gmail message to quickly share a link via email.

iReader - View news stories and other articles in a very easy to read, clutter-free, scrollable display.

Google Dictionary - View definitions easily as you browse the web, similar to using ⌘-Option-D in other Mac applications.

delicious bookmarks - Integrate your bookmarks with Google Chrome with the official Chrome extension for Delicious, the world's leading social bookmarking service.

Instachrome - Collect articles from around the Internet to read them on the web with Instapaper.