Eclipse Parsson provides an implementation of Jakarta JSON Processing Specification. It allows processing (e.g. parse, generate, transform and query) JSON documents.
Eclipse Wild Web Developer integrates existing artifacts like TextMate grammars and Language Servers to provide a rich development experience to Web developers using typical programming languages f
Eclipse Yasson is a Java framework which provides a standard binding layer between Java classes and JSON documents. This is similar to what JAXB is doing in the XML world.