MongoidNestedFields allows you to handle complex data structures inside one field in MongoDB. It also validates whole object graph on field validation

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.

A Rails engine that provides a response mechanism for Let's Encrypt ACME - Simple HTTP - Identifier Validation Challenges on 12 factor apps like those deployed on Heroku as well as the rake task to generate the certificate from your local machine.

Numverify: Global Phone Number Validation & Lookup JSON API

Resulting is a library for graceful result handling. It provides a result class with a few methods that can be used as a mixin. Using these results, they can be passed to save and validation services which handle them gracefully, returning early when there is a failure, or ensuring success for al...

Command line tool to automate creation of chef orgs, chef policy repositories, and validation key integration with vco

GuideRail transforms various data sources into safe, immutable `Data` objects. By leveraging the robust validation capabilities of `dry-schema`, it provides a clear and declarative way to define, validate, and instantiate your data structures.

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

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

Provides validates :password for ActiveModel

Simple JSON Validation and rspec matchers

PIS/PASEP validations for pure Ruby and ActiveRecord apps

Thread-safe immutable objects that provide delegation and basic validation to hashes.

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

A library used to create Config classes with validation, type enforcement, casting and other goodies.

Sane parameter validation for Rack::Request. Originally written for use with Sansom.

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

A gem for Ruby Rails client side validations.