JSONedit
User friendly, visual JSON editor built as an AngularJS directive. Provides a basic GUI to edit JSON.
Note: this project is not maintained anymore, since it's an AngularJS 1 directive.
Use as Angular module
$ bower install json-edit
// require module in your app:var app = angular;
<!-- use somewhere in your template --> <!-- include JSONedit files --> <!-- include the dependencies in this order (if you don't already have them) -->