Runs regular Rails/ActiveRecord migrations via the Percona Toolkit pt-online-schema-change tool.

A batteries-included monitoring tool for single hosts. Works great with Kamal.

A data scraping framework

SQL queries counter for Rails apps

This gem provides the Quill.js Rich Text Editor assets and view helper for your Rails 3.1/4.0 application.

A Rails plugin that contains helpers for Bootstrap

Rails engine for logging from Browser Javascript to server

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

Extend Rails Engine's business logic (models, controllers, helpers, etc.) easily from your application or other engine.

Pattern matching for Rails applications

Make rails and bootstrap sing with awesome helpers, additional components, and more.

Rack OpenTracing middleware enhanced for Rails

Converts strong e-tags to weak so they can be passed through nginx with g-zip compression enabled

A Ruby template language inspired by JSX

simple image helpers for the rails project using react, make it easily just like using the <img> tag

Return struct results from ActiveRecord relation queries

A collection of RSpec matchers for web apps.

master-slave replication helper for ActiveRecord

Rescues unique constraint violations and turns them into ActiveRecord errors

Provides a relational feature to your Rails application.