Declare ActiveModel validations fluently

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

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

Use reflection to spec ActiveModel validations

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.

automatically add client-side validations

ActiveRecord extension that allows to infer validation rules from database

Reuse your Rails model validations on the client-side.

Another validation library

Add more validation methods for ActiveRecord columns like email, url, and creditcard.

Provides an ActiveModel validation that checks if an attribute represents a legal BSON::ObjectId .

HMAC Validation for Rails.

Package containing validations: .

Ember.js validation add on (hai18n)

Awesome validation and object matching library

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

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

Extra matchers to test model validation

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...

Adds type validation for classes with ActiveModel::Validations.