JSON Libraries

General data-binding functionality for Jackson: works on core streaming API

Gson

Core Jackson processing abstractions (aka Streaming API), implementation for JSON

Core annotations used for value types, used by Jackson data binding package.

Data Mapper package is a high-performance data binding package built on Jackson JSON processor

JSON is a light-weight, language independent, data interchange format. See http://www.JSON.org/ The files in this package implement JSON encoders/decoders in Java. It also includes the capability to convert between JSON and XML, HTTP headers, Cookies, and CDL. This is a reference implementation. There is a large number of JSON packages in Java. Perhaps someday the Java community will standardize on one. Until then, choose carefully. The license includes this restriction: "The software ...

Jackson is a high-performance JSON processor (parser, generator)

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

JSON and JSON SMILE encoding, fast.

A simple Java toolkit for JSON