Google Chrome is an open source web browser, built for speed, simplicity and security and intended to create a better web experience for users around the world. You can download Google Chrome at www.google.com/chrome.
What is Chromium?
Chromium is the open source project behind Google Chrome. To further advance the openness of the web, Google Chrome was released as an open source project under the name Chromium. The intent is that Google will help spur innovation in the browser space by contributing the underlying technology in Google Chrome to the open source community, while continuing to develop additional features in the open. This project is for developers who want to help build a safer, faster, and more stable way for all Internet users to experience the web.
The Chromium.org page contains design documents, architecture overviews, testing information, and more to help developers learn to build and work with the Chromium source code.