Jrb Handler makes it easy to write JSON web services in Rails 3. Keep your views in views, not in your Model#to_json.

This gem provides js-cookie assets for your Rails 3 application.

A small utility which creates the HTML fixtures for Jasmine and JSTestDriver tests from the controller specs.

jsit_rails provides jskit.js to the asset pipeline and allows seamless event dispatching from your rails application to jskit.

"This gem provides functionality to convert a JSON object into HTML form. It can handle nested JSONs. Form class, styles and attributes can be provided."

Include JsonApiable module in your API::BaseController to receive a collection of useful methods, such as arguments and relationships parser, filters, etc.

Provide a filter for jsonAPI Controller in Rails

jsonapi-resources type annotation, inference, and schema/docs generation

Implements JSON API 1.0 - data, errors, meta, pagination, sort, filters, sparse fieldsets and inclusion of related resources.

Create controllers for restful APIs, without generating unwanted helpers, views, and assets.

Beautiful JSON Schema validation with Rails-native syntax, context-aware rules, and production-ready monitoring. Features include ActiveRecord-like schema definitions, multiple error message types, performance optimization with caching, internationalization support, and extensive Rails integration for APIs and web applications.

This gem converts arrays of JSON objects, arrays of hashes, arrays of ActionController params, simple hashes, or ActiveRecord relations and objects to a CSV-formatted string.

Generates a JavaScript file containing specific url_helpers defined in config/routes.rb

Transform text files into strings on a global JavaScript object.

Jubako gives multi-level layout inheritance in Rails view.

Enable clients pool for twitter

jump_back helps you redirect to back with a default and simplifies saving a referring page for future redirects. See website https://github.com/pdebelak/jump_back for details.

Description of Jumpstarter.

JustAuthMe is a gem to manage authorization in the simplest way possible. Most times you just want to check if an object belongs to the current user, JustAuthMe does just that withou any configuration.

JWT authentication for rails APIs