Original Author: Robert Douglass
Current Maintainers: Nicholas Thompson and John Wilkins
This module gives you granular control over the page title. Administrators can configure patterns for how the title should be structured and, on node pages, gives authors (with appropriate permission) the chance to specify the page title rather than defaulting to the node title.
This is a fantastic boost for any site trying to improve their SEO.
Warning: This module is only designed to work with PHPTemplate-based themes (such as Garland); other themes may not work correctly with it (they are untested).
The project page is: http://drupal.org/project/page_title