EverRest project it is RESTful application framework along with complete JAX-RS (JSR-311) implementation. It is portable between different Servlet containers.
- Easy integrate with [Spring Integration](https://github.com/codenvy/everrest/wiki/Spring Integration) , [Picocontainer Integration](https://github.com/codenvy/everrest/wiki/Picocontainer Integration) , [Guice Integration](https://github.com/codenvy/everrest/wiki/Guice Integration).
- WADL
- Filters
- Support of X-HTTP-Method-Override HTTP header
- Support JSR-250 security annotations
- Support of Groovy programming language
JAX-RS specification is available here