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A simple, Git-powered wiki with a local frontend and support for many kinds of markup and content.

A performance dashboard for Postgres

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

[DISCONTINUED ] Attributes on Steroids for Plain Old Ruby Objects

~/.js

Toolkit for developing sleek command line apps.

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

a sampling call-stack profiler for ruby 2.2+

The gem that has been saving people from typos since 2014

Parse and render REST API documents using representers.

like strace, but for ruby code

Just the right amount of Rails eager loading

Ruby JSON Schema Validator

Compose your business logic into commands that sanitize and validate input.

Adds foreign key helpers to migrations and correctly dumps foreign keys to schema.rb

A plugin to make the process of creating a negative captcha in Rails much less painful

A DSL for building fun, high-performance DNS servers.

Github markdown previewing straight from your shell.

Pretty your exception backtrace.

Write your ActionMailer email templates in Markdown, send in html and plain text

Oracle enhaced adapter for ActiveRecord

a Ruby command-line application framework

Seed Migration

Ensures presence and type of your app's ENV-variables (mirror)

Peek into how much each line of your Rails application takes throughout a request.

MarcoPolo shows your app name and environment in your console prompt so you don't accidentally break production

PostgreSQL views, functions, triggers, foreign keys for rails migration

Dead simple hash representation declarations.

A small abstraction for encapsulating non-trivial business logic in Ruby applications