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. To install Gears, visit http://gears.google.com
Google Gears has a- A Database module (powered by SQLite), which can store data locally.
- A WorkerPool module, which provides parallel execution of JavaScript code.
- A LocalServer module, which caches and serves application resources (HTML, JavaScript, images, etc).
- A Desktop module, which lets web applications interact more naturally with the desktop.
- A Geolocation module, which lets web applications detect the geographical location of their users.
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