The controller generating this page is found at APPPATH/classes/controller/welcome.php.
This view can be found at APPPATH/views/welcome/index.php.
You can modify these files to get your application started quickly.
The best way to learn Fuel is reading through the Documentation.
Another good resource is the Forums. They are fairly active, and you can usually get a response quickly.
Fuel wouldn't exist without awesome contributions from the community. Use the links below to get contributing.