A datecpicker exclusively for Rails apps with Hotwire and Stimulus.

Mountable Rails engine that serves .md files from your repo as a docs site with a sidebar tree (_tree.yml ordering), SQLite FTS5 search, server-side syntax highlighting and Mermaid diagrams. Tailwind + Stimulus.

Infold provides Scaffolding functionality specifically for Internal tools. Enables fast build, elegant UI/UX, flexible customization.

InfoTable provides server-side datatable functionality with filtering, sorting, searching, and pagination. Built with Hotwire, Stimulus, and Tailwind CSS for a modern, no-reload user experience.

IronAdmin is a convention-over-configuration admin panel engine for Ruby on Rails that automatically generates CRUD interfaces from your models with built-in support for search, filters, scopes, custom actions, theming, and policy-based authorization.

A Rails engine for managing and publishing content with a flexible schema.

Janela lets you define dashboards directly on your ActiveRecord models and associations. Slicers, cross-filtering charts, and dimension drill-down as first-class Rails citizens, not a bolted-on admin panel. Built on Ruby and Stimulus so it drops onto any Rails application with no separate fronten...

Jigsaw Engine

Journeybook is a mountable Rails engine for reusable, code-defined CMS content rendering.

JSAdmin exposes Active Record models through a generic CRUD UI built with Tailwind CSS and Hotwire.

Kozenet UI is a modern, production-ready component library for Ruby on Rails. Built with ViewComponent and Tailwind CSS, it provides beautiful, accessible, and customizable UI components with dynamic theming support. Features CSP-compliant styling, dark mode, and smooth animations.

An open source Rails 8+ engine built on `layered-ui-rails` that provides a multi-provider AI assistant with streaming responses and a full conversation UI.

A convention-over-configuration CRUD engine for Rails 8+, built on the layered-ui-rails gem. Declare a resource class, mount it in routes.rb, and get index, new/create, edit/update, and destroy actions with clean default views, Ransack-powered search and sorting, and Pagy pagination. Override any...

An open source Rails 8+ engine built on Tailwind CSS, providing customisable WCAG 2.2 AA compliant design tokens, utility classes, and Stimulus controllers for theme switching, mobile navigation, slide-out panels, modals, and tabs. Integrates with the gems you already use (Devise, Pagy, Ransack).

Low-code platform for building information systems: write the metadata (models, UI presenters, permissions, and more) in YAML or DSL, and the Rails mountable engine builds the app for you.

Lookout is a fork of Ahoy Captain with SQLite support, continued maintenance, and modern Rails 8 compatibility. Full-featured analytics dashboard with conversion funnels, goals tracking, and beautiful visualizations.

Captures mail your app actually sends in development - through its real Action Mailer delivery path, not a hand-written preview - and shows it in a live, searchable inbox in the browser.

Material is Google’s open-source design system. Design and build beautiful, usable products with Material.

Material Design with ViewComponent

Fast and awesome tables, with pagination, sorting, filtering and custom views.