Top RAILS GitHub Repositories & Tools (2026)

A ruby gem for creating navigations (with multiple levels) for your Rails, Sinatra or Padrino applications. Render your navigation as html list, link list or breadcrumbs.

🐳 Web Interface for the Docker Registry HTTP API V2 written in Ruby on Rails.

:hocho: An ActiveModel extension that automatically strips all attributes of leading and trailing whitespace before validation. If the attribute is blank, it strips the value to nil.

Generate OpenAPI schema from RSpec request specs

Q&A-based community knowledge-sharing software

ViewComponents for Polaris Design System

💎 Ruby on Rails agent for Forest Admin to integrate directly to your existing Ruby on Rails backend application.

A free, open source, non-commercial home for musicians and their music

Rails FormBuilder for ViewComponent

Simple Form plugin for ClientSideValidations

Opinionated template for starting new web applications with Ruby on Rails and Hotwire

The minimal interpretable model router that learns & adapts to your agent workflows

💎 The Missing Cheatsheet for Ruby

Rails as a specification; the deployment target is a build flag

Acts As Indexed is a plugin which provides a pain-free way to add fulltext search to your Ruby on Rails app

🟥 AppSignal for Ruby gem

Hyrax is a Ruby on Rails Engine built by the Samvera community. Hyrax provides a foundation for creating many different digital repository applications.

Generate Mermaid ERD from your Ruby on Rails application.

Open-source, self-hosted workspace with installable tools. Mail, boards, docs, chat, todos, files, calendar, and video rooms. Deploy with ONCE, Kamal, or Docker.

Open-source adversarial testing engine, SDK, and CLI for AI agents. Runs locally or against the Humanbound Platform.