Expectant provides a clean DSL for defining multiple validation schemas in a single class. Built on dry-validation and dry-types, it supports custom rules, defaults, fallbacks, and context-aware validations, making it easy to validate inputs, outputs, and any structured data in your Ruby applicat...

With this gem you will have several validations that are common on day day and that will make life much easier for dev. Validations can be returned in a simple and standardized way..

Lightweight, zero-dependency validation for Interactor service objects. Supports presence, format, length, inclusion, numericality, and nested validations.

Helper to customize the validation messages in Hanami application views.

Formtastic Plugin for ClientSideValidaitons

Several methods in ActiveRecord skip validations, callbacks, or both. In my extremely humble but also extremely correct opinion, it's too easy to accidentally use these. Do Not Want kills those methods dead so you won't cut yourself on them: >> User.new.update_attribute(:foo, 5) DoNotWa...

Mongoid Plugin for ClientSideValidations

StripAttributes automatically strips all ActiveRecord model attributes of leading and trailing whitespace before validation. If the attribute is blank, it strips the value to nil.

Adds several handy expectations for testing ActiveRecord model validations, similar to what Shoulda provides.

A Rake task investigates the application's models definition, then tells you unique validations that do not have DB indexes.

Store Rails validations as JSON to serve via api and drive complex validation logic.

To ensure Validations that continue to have issues are addressed by developers. This is done by logging the failure. When a specific failure continues to be an issue, a developer can look into the problem.

Turbolinks Plugin for ClientSideValidaitons

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

Object Oriented Validation Library

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.

Use reflection to spec ActiveModel validations

It will handle validations inline

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...

HMAC Validation for Rails.