Pastore is a powerful gem for Rails that simplifies the process of validating parameters and controlling access to actions in your controllers. With Pastore, you can easily define validations for your parameters, ensuring that they meet specific requirements before being passed to your controller...

BetterSeo provides a clean, fluent DSL for managing meta tags, Open Graph, Twitter Cards, XML sitemaps, and more. Features include automatic HTML generation, dynamic sitemap generation, validation, Rails integration, and 99.7% test coverage.

CompositeValidator allows you to validate associated models and compose their validation errors to the parent model. It supports both single associations and collections.

Check on validations, background jobs, third-party integrations, state machines, and business rules

Validation of parameters for Sinatra

Parse and generate Portable Action Notation (PAN) strings for representing atomic actions in abstract strategy board games including chess, shogi, xiangqi, and others. PAN provides an intuitive operator-based syntax with six core operators: "-" (move to empty square), "+" (capture), "~" (special ...

Official Ruby gem for validating resumes against the Schema Resume JSON Schema - comprehensive CV/Resume validation with JSON-LD support

Perform basic validations for ISO 6346 intermodal containers

Implements in-app purchase data parsing, signature validation,

Client-side HTML form validations

Pattern for writing callable service objects with contract validation and exception handling

Strict Phlex validation

CommandSet is a user interface framework. Its focus is a DSL for defining commands, much like Rake or RSpec. A default readline based terminal interpreter (complete with context sensitive tab completion, and the amenities of readline: history editing, etc) is included. It could very well be ad...

This library generates credit card numbers using the Luhn algorithm, suitable for testing payment systems and form validations.

Vies is a EU service that checks EU VAT business number validation and sends back its information.

Manage markup close to home... right in the model! Caching, validation, etc

A simple set of types for validation of ruby objects.

Moderate user-generated content by adding a simple validation to block bad words in any text field. Good for applications where you need to maintain a clean and respectful environment in comments, posts, or any other user input.

A simple and lightweight parameter validation library that leverages ActiveModel to provide a clean interface for handling parameters with real and virtual fields.

A Rails gem that provides enum-like functionality with support for metadata properties (label, icon, color, tooltip) and automatic scopes, validations, and inquiry methods.