The headless browser for AI agents and web scraping

Protect Rails applications against bots and brute force attacks without annoying humans.

Unofficial agent skills + reference guide that teach AI coding assistants to write Rails the 37signals way — extracted from Fizzy, Campfire, and DHH's code reviews

cu.css is a lightweight CSS boilerplate that will help you build websites fast, with CUBE CSS and Utopia fluid design.

🌿 Powerful and seamless HTML-aware ERB toolchain.

CSS custom properties to help accelerate adaptive and consistent design.

Embed SVG documents in your Rails views and style them with CSS

Headless Chrome/Chromium driver for Capybara

The Campsite monorepo

Add any icon library to a Rails app. Support for Lucide, Phosphor, Heroicons and others

Ruby on Rails

A Rails engine for queueing and managing data migrations.

Ruby/ProgressBar is a text progress bar library for Ruby.

A curated list of replacements for existing software written in Rust

Run and use devcontainer outside of Visual Studio Code

Alba is a JSON serializer for Ruby, JRuby and TruffleRuby.

A RuboCop extension focused on enforcing Rails best practices and coding conventions.

Real World Rails applications and their open source codebases for developers to learn from

Mechanism to run testable one-off jobs in Rails at deploy time to manipulate data

A Ruby gem to interact with TheGamesDB API

Easy multi-tenancy for Rails in a shared database setup.

Payments for Ruby on Rails apps

Punching Bag is a hit tracking plugin for Ruby on Rails that specializes in simple trending

😱 An easy, Ruby way to use the Pwned Passwords API.

Check and verify in-app receipts

Performances & exceptions monitoring for Ruby on Rails applications

Rails-way to consume JSON:API input

Versioned database views for Rails

Catch unsafe migrations in development

Monitor performance of you Rails applications (self-hosted and free)