Like Rails Engines, but without the friction. Your Rails app can't access them, and they can't access each other.

Turn ActiveSupport::Notification instruments into DTrace probes. This allows you to trace Rails apps.

Rake task to generate a dummy Rails app.

A command to check syntax as rails's erb. It provides the rails-erb-check command.

This gem creates entity–relationship diagram with D3.js for your Rails application

Use different strategies to write excel : available are :spreadsheet and :writeexcel This implements rxls template in your rails view

A rails engine adding an interface for translating and writing translation files. Works with rails 3 and 4.

OpenTracing instrumentation for Rails.

The gem for setup rails development with interactive mode

Integrate with intl-tel-input to provide international telephone numbers input and form helper.

Simple dependency injection for Rails.

Lightweight gem, tested in large Rails codebases (20k+ Ruby files). Allows AI assistants to evaluate and verify rails/ruby code changes securely at lighting-speed access without the need to restart server or run bundler.

Handles multiple tenants in a Rails environment

MCP interface for rails-pg-extras. It enables LLMs to analyze the PostgreSQL metadata and performance metrics.

Rails 3.1 cache store implementation using Redis. See http://github.com/phoet/rails_redis_cache for more information.

This gems allows you to easily create extra databases to your rails application, and freely allocate ActiveRecord instances to any of the databases. It also provides rake tasks and migrations to help you manage the schema by shard groups.

Make your specs sane with a set of helpers to isolate code and improve speed.

Generators for creating an 18F-flavored Rails app

Traces a block of your Rails app and returns the call tree of your own code - arguments, return values, raised exceptions and call depth - with gems, the framework and stdlib filtered out. Bounded output meant to be read directly, by a developer or by an AI coding agent debugging the app.

Rack OpenTracing middleware enhanced for Rails