geoip2_c is a Ruby binding for libmaxminddb to read MaxMind DB files such as GeoIP2. It does not traverse all elements in a lookup result by default, so you can get the element you want fast.

Process GitHub Webhooks in your Rails app (Controller mixin)

A Ruby library to compute distance of dates in words. Originally built for Jekyll, as a Liquid extension. It also supports localization and futures.

This is a gem for Rails with Semantic UI assets inside.

Small images are small! Compress yours during middleman build.

ActiveModel + Redis

Store nested hashes and other types in ActiveRecord hstores

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

Organize ActiveRecord model into a tree structure using PostgreSQL LTree

A lightweight cron scheduler for the Que async job worker

Record Cache for Rails 3

Betterment's library for developing and testing service-oriented apps in isolation with WebMock and Sinatra-based fakes.

Rails way to harness the power of SQL "EXISTS" statement

An Active Admin plugin to add dynamic behaviors to fields

UI interface for rails-settings-cached in active admin

Making object from any hash or hash array

Simulate multi-table inheritance for activerecord models using a polymorphic association

MySQL index hint support for ActiveRecord

Rails ActiveRecord connector for Google Spanner Database

Fast Rails serializer with built-in caching