Fastest Gmail is a web application designed to increase the speed and productivity of Gmail users. It is a single page web application that uses AJAX technology to make the Gmail user experience faster and more efficient. It features a streamlined interface, with quick access to recent conversations, contacts, and attachments. It also includes a drag-and-drop file uploader, auto-saves drafts, quick access to frequently used labels, and an advanced search engine. It is designed to work on any modern web browser, and even mobile devices. It is completely free and can be used with any Gmail account.
Discontinued The extension is no longer updated. The latest version, 0.6.4.1, released in March 2011, can still be downloaded from Mozilla Addons.