webgdawg

Takes a specific form and converts it to json, also jquery jsonp compatible

Form To JSON

Takes a specific form and converts it to json, also jquery jsonp compatible

dphiffer

GoodBarber

GoodBarber plugin is a fork of JSON API created by dphiffer. 
GoodBarber plugin creates a communication interface between your WordPress and your GoodBarber account. 
It is used to retrieve content from your WordPress so that you can sync it with your native app created with GoodBarber.

GoodBarber plugin allows you to retrieve WordPress content in order to create a native app for iOS and/or Android

Form To JSON vs GoodBarber