User Guide
If you want to get more familiar with what Apache Camel has to offer, please try the following resources:
Wiki pages
Using CamelProxy for how to use proxies for clients to easily invoke camel routes without them knowing
Camel Maven Plugin for working with Spring
Guice Maven Plugin for working with Guice
Visualisation for generating nice EIP diagrams based on your routes.
Web Console for browsing endpoints and sending messages to endpoints
Karaf for working with Apache Karaf
You can try the Manual if you want to get a PDF of this documentation.
Other Resources.
The Apache Camel: Integration Nirvana article by Jonathan Anstey, a great place to start your journey.
The Camel in Action book.