- AdWords Editor [1] (Mac OS X (10.4), Windows 2000 SP3+/XP/Vista)
Desktop application to manage a users Google AdWords account. The application allows users to make changes to their account and advertising campaigns before synchronising with the online service. - Desktop [2] (Linux, Mac OS X, Windows 2000 SP3+/XP/Vista)
Desktop search application, that indexes e-mails, documents, music, photos, chats, Web history and other files. It allows the installation of Google Gadgets. - Earth [3] (Linux, Mac OS X and Windows 2000/XP/Vista)
Virtual globe that uses satellite imagery, aerial photography and GIS over a 3D globe.
Gmail Notifier [4] (Windows 2000/XP)
Alerts the user of new messages in their Gmail account. - Hello [5] (Windows 98/ME/2000/XP)
Allows users to send images across the Internet and publish them to blogs. - Notifier [6] (Mac OS X)
Alerts the user of new messages in Gmail and upcoming events in Google Calendar.
Pack [7] (Windows XP/Vista)
Collection of computer applications -- some Google-created, some not -- including Google Earth, Google Desktop, Picasa, Google Talk and Mozilla Firefox. - Photos Screensaver [8]
Slideshow screensaver as part of Google Pack, which displays images sourced from a hard disk, or through RSS and Atom Web feeds. - Picasa [9] (Linux and Windows 2000/XP/Vista)
Photo organization and editing application, providing photo library options and simple effects. - Picasa Web Albums Uploader [10] (Mac OS X)
An application to help uploading images to the "Picasa Web Albums" service It consists of both an iPhoto plug-in and a stand-alone application. - Secure Access [11] (Windows 2000/XP)
VPN client for Google WiFi users, whose equipment does not support WPA or 802.1x protocols
SketchUp [12] (Mac OS X and Windows 2000/Windows XP)
Simple 3D sketching program with unique dragging interface and direct integration with Google Earth. - Talk [13] (Windows 2000/Windows XP/Server 2003/Vista)
Application for VoIP and instant messaging. It consists of both a service and a client used to connect to the service, which uses the XMPP protocol. - Video Player [14] (Mac OS X/Windows 2000/XP)
Video player to watch videos from Google Video, including unique resume and download features. (Also included in Google Pack.)
Web Accelerator [15] (Windows 2000 SP3+/XP/Vista)
Uses various caching technologies to increase download speed of web pages.
Desktop Applications
Fonte: Wikipedia