Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, validations, aggregations, migrations, and testing come baked-in.

A toolkit for building modeling frameworks like Active Record. Rich support for attributes, callbacks, validations, serialization, internationalization, and testing.

LHS ia a Rails-Gem, providing an ActiveRecord like interface to access HTTP-JSON-Services from Rails Applications. Special features provided by this gem are: Multiple endpoint configuration per resource, active-record-like query-chains, scopes, error handling, relations, request cycle cache, batc...

Client Side Validations made easy for your Rails 5 applications

Google libphonenumber library was taken as a basis for this gem. Gem uses its data file for validations and number formatting.

Provide an easy way to check the consistency of the database constraints with the application validations.

ActiveModel validation for email. Including MX lookup and disposable email blacklist

Built for Developers. Ideal for MVPs, product ideation and validation.

This gem allows you to create use cases with ActiveModel validations and keep your model clean

This engine allows users to inject requests into a queue to be processed. The queue handles bank account validations, credit payments, debit orders and collecting bank statements/notify me statements.

A high-level IO library that provides validation, type conversion, and more for command-line interfaces. HighLine also includes a complete menu system that can crank out anything from simple list selection to complete shells with just minutes of work.

Validation library

Includes a couple of core functions such as callbacks, timestamping, typecasting and lots of generic validation routines.

Say goodbye to clunky, confusing alerts and form validation notifications on your website! PHCDevworks offers easy-to-use Rails 7 helper engine and partial views that can help you implement clear, concise, and user-friendly alerts.

Use the ActiveRecord mimicking API to write into CM and enjoy all the benefits of callbacks, validations and permission checking

Adds validation methods to ActiveModel for validating dates and times. Works with multiple ORMS.

Aspose.Cells Cloud for Ruby enables you to handle various aspects of Excel files, including cell data, styles, formulas, charts, pivot tables, data validation, comments, drawing objects, images, hyperlinks, and so on. Additionally, it supports operations such as splitting, merging, repairing, and...

dry-schema provides a DSL for defining schemas with keys and rules that should be applied to values. It supports coercion, input sanitization, custom types and localized error messages (with or without I18n gem). It's also used as the schema engine in dry-validation.

Mutations gem interface implemented with `dry-rb`’s validation schemas.

SimpleForm Plugin for ClientSideValidations