An uncomplete list of (in our opinion) useful links concerning RESTful webservices. If you don't know what REST stands for and how it is used this links may be a good entry to the REST world. Although REST is independend of any language and operating system, the focus of the list is on Java.
cURL (client for URL - A tool, that can be used to access the REST API from cmdline easily without any programming knowledge/effort. cURL is available for almost all operating systems and used for our examples.