Easy validation of option keys and their values. Installation and usage is very simple. You find all the information you need on my homepage listed below.

ActiveRecord::Enum fire SQL request and bypass ActiveModel::Validations, this let you play with enum and validation

Another validation library

Live validator is a Rails Guilded (http://github.com/midas/guilded/tree/master) component that will reflect ActiveRecord validations and use them to live validate forms. Live validator uses the Live Validation (http://www.livevalidation.com) JavaScript library to accomplish this task. It also...

It allows you to specify validations for method arguments, using `validate_args` to supply validation rules of a hash or array.

If you need a way to easily skip validations on some attributes and only in certain cases, this gem will allow you to do it in a clean and elegant way.

Simple way to add Active Record Validations to models and views through the limits established in your database.

automatically add client-side validations

Object Oriented Validation Library

It will handle ajax validations.

Awesome validation and object matching library

RailsAjaxFormhandler is a lightweight Javascript-plugin which submits your form automatically and displays server responded validation-errors by adding styles and error-messages to the invalid input fields.

An easy to use Ruby built-in type validations library.

Live validator is a Rails Guilded (http://github.com/midas/guilded/tree/master) component that will reflect ActiveRecord validations and use them to live validate forms. Live validator uses the Live Validation (http://www.livevalidation.com) JavaScript library to accomplish this task. It also...

It will handle validations inline

Automate the writing of validations, relations in files and specs. Create boilerplate validation in models, specs, migrations. This specs are generated based on rspec, shoulda-matchers and factorygirl

Declare ActiveModel validations fluently

A collection of Regular Expression validations

Ember.js validation add on (hai18n)

Package containing validations: .