xul-ext-gears 0.5.32.0~svn3391+dfsg-0ubuntu2 (amd64 binary) in ubuntu lucid

 Gears is a plug-in that extends your browser to create a richer platform for
 web applications. For example, webmasters can use Gears on their websites to
 let users access information offline or provide you with content based on your
 geographical location.
 .
 A number of web applications currently make use of Gears, including:
 Google Reader, Google Docs, Zoho and Remember the Milk.