FriendlyId is the “Swiss Army bulldozer” of slugging and permalink plugins for ActiveRecord. It allows you to create pretty URL’s and work with human-friendly strings as if they were numeric ids fo…

A Ruby job queue that uses PostgreSQL's advisory locks for speed and reliability.

A modern, simple and very fast Mysql library for Ruby - binding to libmysql

Provides iteration per second benchmarking for Ruby

Ridgepole is a tool to manage DB schema. It defines DB schema using Rails DSL, and updates DB schema according to DSL. (like Chef/Puppet)

Unix系システムのプロセスについて日本語で解説しています

Universally Unique Lexicographically Sortable Identifier implementation for Ruby

Arproxy is a proxy between ActiveRecord and database adapter

Chef cookbook for Datadog Agent & Integrations

Saves a tree in a table, fast.

Fast HTTP Parser using picohttpparser

convert markdown to html for presentation using impress.js