Uniform interfaces through HTTP requests
Web services and the big picture
Accessing RESTful Services — Part 1
Accessing RESTful Services — Part 2
Designing a RESTful web service
Jersey the JAX-RS 1.1 reference implementation
RESTful web service implementation with Jersey
Using this RESTful web service
Implementation using Restlet 1.1
Implementation using Restlet 2.0
RESTEasy — a JAX-RS implementation
RESTful web service implementation with RESTEasy
RESTful web service implementation with Struts 2