Yes, you can use Internet for free, just look at following websites and find free wifi hotspots near you.
Jiwire is probably one of the best free wifi hotspot finders out there. You can use its Zone finder to search for hotspots near you.
HotSpotHeaven is also free wifi search engine. You can search USA, Europe, Canada, Australia, Asia, S. America, S. Pacific, and Middle East.
wifinder can also help you to find public access wifi hotspots. You can search USA, Europe, Asia, N. America, S. America, Africa, and Australia or New Zealand.
wififreespot or Wi-Fi-FreeSpot™ Directory is a listing of locations that offer Free Wi-Fi. USA State-by-State listings come first with Europe and other regions of the World listed further down the page.
Free-hotspot.com is place where you can search for WiFi hotspots around the world. You can also search for hotspots by phone.
Hotspotr is a directory that lists all cafés in the US that offer free wireless Internet connection. You can see hotspots list and reviews. Anyone can add hotspot or edit listing.
WiFiMaps is a interactive detailed street-level map of WiFi hotspots. Some functionalities are restricted so you have to create a user account in order to use them. Currently lists only hotspots available in the US.
TechNewsWorld's WiFi Hotspot Locator is a global directory of more than 100,000 locations offering WiFi Internet access in 26 countries.
MSN WiFi Hotspots is a web-based service provided by Microsoft that can help you find free and paid WiFi hotspots in 98 countries. You can use the View on Map feature, which displays on a map powered by Virtual Earth.
WeFi makes it easy for you to find and connect to WiFi networks. With WeFi, each user contributes to the rest of the community by using the client and discovering more networks around. All this is reported to a centralized server and shared seamlessly among all users, resulting in easy connection. With WeFi software you can also map your favorite hotspots, find your friends, share your WiFi with other WeFi members and do many other cool things.