The Go support for Google's protocol buffers
Provides support to increase developer productivity in Java
Auto-validates api requests, responses, and securities using ExpressJS
Development toolkit for Web Services and XML data bindings for C & C++
jsonapi.org style payload serializer and deserializer
A reusable Django model field for storing ad-hoc JSON data
JUL - The JavaScript UI Language
C++11 serialization library
parse/generate json the way you want quickly. configure/validate json