typo3.org is the developer resource for the TYPO3 project. The pages of this section provide information about TYPO3, how to get started and what committees, teams and websites are available.
At this moment the typo3.org and the typo3.com websites are separate. During this year they will be merged when the new design will be implemented.
To find out what websites are already made with TYPO3 please visit http://www.t3blog.com