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A curated list of awesome awesomeness

Fluentd: Unified Logging Layer (project under CNCF)

A guide for programming in style.

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.

EventMachine: fast, simple event-processing library for Ruby programs

Official Sketch Plugin directory

Chronic is a pure Ruby natural language date parser.

Large scale server deploys using BitTorrent and the BitTornado library (NOTE: project no longer maintained)

JSON Schema tools and doc generation for HTTP APIs

Cloud Foundry BOSH is an open source tool chain for release engineering, deployment and lifecycle management of large scale distributed services.

A Ruby Object Mapper for Mongo

bitcoin utils and protocol in ruby.

Parallel Processing for the Rest of Us

self assembling fabric of ruby daemons

The first Instagram website and lightweight API HTTP client

AMQP client implementation in Ruby/EventMachine

AWS Elastic Beanstalk blue-green deployment automation from ThoughtWorks Mingle Team

The Redis Cookbook

Manage Pagerduty on-call schedules from within your internal chat channels.

Project Sprouts is an open-source, cross-platform project generation and configuration tool for ActionScript 2, ActionScript 3, Adobe AIR Flash and Flex projects

MongoDB input and output plugin for Fluentd

Launch ec2 instances, pronto

FFI based ruby library to access Tokyo Cabinet and Tokyo Tyrant. (This library is in "maintenance mode", see http://jmettraux.wordpress.com/2010/02/26/retiring-rufus-tokyo/ for an explanation)

OpenKit Server

Using AMQP as a Queuing Backend for Web Apps Should Be Easy

NodeInfo defines a standardized way to expose metadata about an installation of a distributed social network

NaCl-based Cryptographic Relay