Make ActiveRecord Validation easier to share as Schema

Nested Attributes Validation Collection for Rails

Nested validations allow a parent's validity to include those of child attributes. Errors messages will be copied from the child attribute to the parent.

Provides wrapper functionality and authentication for REST and RPC HTTP requests to OpenSocial-compliant endpoints, along with validation of incoming signed makeRequest calls.

Ruby on Rails plugin for HTML validation and link checking

A small library for manipulating form-based data with validations and attributes coercion.

A comprehensive Ruby client for interacting with the Rospatent patent search API. Features include automatic caching, request validation, structured logging, error handling, and batch operations for efficient patent data retrieval.

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.

A library for parameter validation and parsing. A handy way to check GET/POST params in Ruby webframeworks (like Rails or Sinatra).

A DSL for validating request parameters, raises exceptions when validation failed. Currently only supports Rails.

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...

PIS/PASEP validations for pure Ruby and ActiveRecord apps

Limitable scans your ActiveRecord database schema for column size limits and defines corresponding model validations so that you don't have to.

Handle multiple flash messages and ActiveRecord validation errors with ease.

A powerful DSL-based framework for building Service Objects in Rails with built-in support for validation, caching, presenters, and more.