Add and remove nested model fields dynamically through JavaScript using jQuery for Rails 3.1+ with assets pipeline

Ajax Validator is a Rails engine that allows to validate form fields.

Manage your users' operations (permissions to execute some actions) in your application.

Alberich is a model-integrated permissions engine that allows access control, and list filtering based on user and group-assigned permissions both globally and at an individual resouce level.

Structure to implement the forms using ajax and management in the backend

This gem provides easy way to restrict numeric input to input fields using jquery and integrates with Rails asset pipeline for easy of use.

aloha-editor in Rails 3

Simple admin panel generator with inherited resources, has_scope, datatables for Rails 4

More perfect decision for loading image in form with preview

CMS based on Mercury Editor

AMD allows you to load js code in async fashion and base on your controller action.

Drag and Drop Asset Management

UI Kit based on open source projects to allow rapid prototypes of internal apps.

UI Kit based on open source projects to allow rapid prototypes of internal apps.

angular-dragdrop-directive packaged for Rails assets pipeline

angular-ui-select2 packaged for Rails assets pipeline

Drag and Drop Tree UI for Angular

Add animate css goodies to your rails pipeline

Any+Time™ DatePicker/TimePicker AJAX Calendar Widget 4.2013.03.15.a

Automatically generates API documentation from RSpec tests