If you want to decouple validations from model it would be probably the easiest solution

Rails-Fort provides a modern, animated progress bar for form completion tracking. It automatically detects form fields and displays visual progress as users fill out forms, with multiple customizable effect types including solid, gradient, sections, flash, and merge animations.

Use helpers anywhere with the Helper class.

Velocity feels free until each endpoint becomes a junk drawer: inputs, rules, data access, and responses tangled together, and tests only stay honest under full HTTP. Rails HMVC encodes one repeatable lifecycle across versioned APIs so teams stop paying interest on shortcuts. Maintained by TOMOSIA VIETNAM.

This gem provide a full hyperstack for rails plus generators for Hyperstack elements

This gem provides rails default generators in interactive mode so as to ease development. These interactive generators will also have some additional functionalities which are not available in default generators. This gem is actually a side product of gem rails_steroids

A Rails-specific solution to enable subdomain requests in a local development or test environment.

AWS KMS decryption for rails credentials

Simple menu manager for Rails.

Rails engine that provides a JSON API which serves Sidekiq and Whenever status information from a HTTP-auth protected endpoint. This status information is gathered by scheduling a frequently running job that saves timestamps in Redis.

News Feed module for ruby

Generates OpenAPI specs from Rails apps by parsing routes, controllers, and view templates with @openapi comment annotations

RailsOrchestrator provides a structured framework for building AI agents in Ruby on Rails applications. It includes tool support, memory management, and orchestration capabilities for composing complex agent workflows.

Code that Rails applications use for dealing with internationalization (i18n).

A Rails gem that enables substring search on encrypted ActiveRecord columns using pluggable indexing strategies. Ships with n-gram indexing out of the box. Supports composite primary keys and multiple concurrent strategies.

Code that Rails applications use for dealing with sensitive data (e.g., GDPR).

This gem allows you to set the Partitioned cookie directive.

Rails Previews is a Rails engine that allows you to preview the pieces that make up your views, specifically: partials, view components, and react-on-rails components

A Ruby gem for managing AI prompts stored in markdown files with ERB interpolation. Centralizes prompt management and makes them easier to review, version control, and modify.

A Rails asset gem that integrates the jQuery Protip tooltip plugin for creating beautiful, customizable tooltips