functional classes with param validations for cautious developers

Inspector is a validation library for Ruby with zero assumptions

Configurator for Ruby Applications with some validation and sugars.

A runtime validation configuration DSL

Scrivener removes the validation responsibility from models and acts as a filter for whitelisted attributes. Works with Opal.

Ruby on Rails plugin for HTML validation and link checking

String, time, file, crypto, array, validation, debug, DSL, formatting and more.

It uses ActiveSupport's String#parameterize to create the slug. There are no validations. No slug history. No extra tables or models.

Allow Paperclip to pass attachments as data-uri on unsaved records. Useful when dealing with forms and validation errors.

Provides validates :password for ActiveModel

Simple JSON Validation and rspec matchers

Flexible DRY validations with API docs generation done right TLDR; parametrics on steroids.

Random Poetry Scraper is a command line gem which returns a configurable number of poems scraped from poemhunter.com. The gem allows you to consume the poems either through a JSON dump or through a command line "pleasure reading" interface. ~Most~ poems on poemhunter.com are in English, but not a...

Simple way to do validations more clear :)

Epic validator, wraps validation for HTML, JavaScript and CSS.

Read model file to extract the validations/associations and then utilize Rails generator to write correspondent shoulda test cases to your correspondent spec file

DrySQL uses your DB's information schema to identify keys, and generate associations and validations for ActiveRecord objects. You defined the schema on your DB ... don't re-define it in your application code. Legacy DB Tables, Ruby Desktop apps, Rails apps...DrySQL's got all your databases covered

Display error messages in qtips(tooltip) for all rails erros and jquery validation errors

Angulate adds AngularJS client-side field and validation helpers to Rails form helpers.

Lightweight gem that utilizes Rails server-side model validations to display client-side error messages for Ajax form submissions.