"Leverage the open source Restlet Framework and its unique Java API available in six consistent editions: Java SE, Java EE, OSGi, GAE, Android and GWT!"

Swagger is a specification and complete framework implementation for describing, producing, consuming, and visualizing RESTful web services. The overarching goal of Swagger is to enable client and documentation systems to update at the same pace as the server. The documentation of methods, parameters and models are tightly integrated into the server code, allowing APIs to always stay in sync. With Swagger, deploying managing, and using powerful APIs has never been easier.

#API Anti-Patterns: How to Avoid Common #REST Mistakes #webdev (via @KISSmetrics)

Sam's WS-REST slides. *Extremely* thought-provoking:
[rest vs soap]

GWT on Rails integrates GWT client side compiled JavaScript development with Rails REST web services

"At Microsoft's Mix06 conference last month, we took the opportunity to speak (separately) to Web 2.0 guru Tim O'Reilly and Amazon's web services evangelist Jeff Barr on how they see the REST vs WS debate."