Gmail
- hosts Emails on Google servers and provides a web
interface to access the Email.
•Google docs
- a web-based software for building text documents,
spreadsheets and presentations.
•Google Calendar
- a browser-based scheduler;  supports multiple
user calendars, calendar sharing, event search,  display of
daily/weekly/monthly views, and so on.
•Google Groups
- allows users to host discussion forums to create
messages online or via Email.
•Picasa
- a tool to upload, share, and edit images.
•Google Maps
- web mapping service;  offers street maps, a route
planner, and an urban business locator for numerous countries
around the world