Hm is a library for clean, idiomatic and chainable processing of complicated Ruby structures, typically unpacked from JSON. It provides smart dig and bury, keys replacement, nested transformations and more.

An implementation of the circuit breaker pattern.

Web page speed optimizations at the Rack level

MotionKit, for RubyMotion, is a DSL for creating and styling views in iOS and OS X.

Background processing, simplified

Precise and fast user agent parser and device detector, backed by the largest and most up-to-date agent and device database

Adds VIPS support to CarrierWave

Discover hosts, run tasks against them and control their execution order

A daemon, running in background on a Linux router or firewall, monitoring the state of multiple internet uplinks and changing the routing accordingly. LAN/DMZ internet traffic (outgoing connections) is load balanced between the uplinks using Linux multipath routing. The daemon monitors the state of the uplinks by routinely pinging well known IP addresses (Google public DNS servers, etc.) through each outgoing interface: once an uplink goes down, it is excluded from the multipath routing, when it comes back up, it is included again. An uplink may be assigned to a priority group: lower priority uplinks will only be used if all higher priority ones are down. That's useful to only use pay-per-traffic uplinks if no regular uplink is working. All of the routing changes are notified to the administrator by email. Fault Tolerant Router is well tested and has been used in production for several years, in several sites. See https://github.com/drsound/fault_tolerant_router for full documentation.

Jieba for jRuby

ASCII Sparklines in Ruby

Search through your pinboard bookmarks on the command-line."

playful provides the tools you need to build an app that runs in a UPnP environment.

AirPlay lets users track iOS AirPlay availability and provides extra information about AirPlay connection status.

'edn implements a reader for Extensible Data Notation by Rich Hickey.'

Collect statistics about how your application is performing with ease. Export metrics to various monitoring systems.

A simple gem for generating string diffs

Ruby with type.

Handlebars precompilation

Manage and adds support for NFS on windows.

RailsBricks enables you to create Rails apps much faster by automating mundane setup tasks and configuring useful common gems for you.

A static site generator that uses the best toolset available

Curb (probably CUrl-RuBy or something) provides Ruby-language bindings for the libcurl(3), a fully-featured client-side URL transfer library. cURL and libcurl live at http://curl.haxx.se/

TestTrack provides sane defaults for using Javascript test frameworks in the Rails 3.1 Asset Pipeline

This is a Rails plugin to insert the path name of a rendered partial view as HTML comment in development environment

Local asset-pipeline precompilation for Capstrano

acts_as_xlsx lets you turn any ActiveRecord::Base inheriting class into an excel spreadsheet. It can be added to any finder method or scope chain and can use localized column and sheet names with I18n.

facebook_oauth is a Ruby client library for the Facebook OAuth Graph API

Access RESTful resources from your iOS app. Inspired by ActiveResource.

A glimpse of a promising future in which Ruby supports delayed execution. Provides global 'promise' and 'future' methods.

Client for the ACME protocol.

WBench is a tool that uses the HTML5 performance timing API to benchmark end user load times for websites.

brings some functional goodness to ruby by giving you some monads

ruby desktop development made easy

A plugin for RuboCop code style enforcing & linting tool. It includes Rubocop configuration used at Airbnb and a few custom rules that have cause internal issues at Airbnb but are not supported by core Rubocop.

A CLI for managing Chef Environments using Berkshelf and the Environment Cookbook Pattern.

A web interface for Sensu, a monitoring framework that aims to be simple, malleable, and scalable.

Declarative API for specifying features, switchable in declaration, database and cookies.

Related is a Redis-backed high performance distributed graph database.

cppjieba binding for ruby. Mainly used by Discourse.

Rmre creates ActiveRecord models for legacy database with all constraints found.

Translations for doorkeeper rubygem.

A batteries-included API wrapper for reddit.

Sail is a lightweight Rails engine that brings an admin panel for managing configuration settings on a live Rails app.

Ruby version of Python's doctest tool, but a bit different.

LiveReload support for Middleman

DAP reads data using an input plugin, transforms it through a series of filters, and prints it out again using an output plugin. Every record is treated as a document (aka: hash/dict) and filters are used to reduce, expand, and transform these documents as they pass through. Think of DAP as a mashup between sed, awk, grep, csvtool, and jq, with map/reduce capabilities.

Friendly wrapper around launchctl

Minimal, responsive Jekyll theme for hackers.

Easily embrace Traveling Ruby awesomeness

A forking Drb spec server

Masonry will rock your world!

Rouge aims to a be a simple, easy-to-extend drop-in replacement for pygments.

Manages schemas with views, functions, triggers along with traditional migrations

A JSON Web Token implementation in Objective-C.

Rails style structure for GraphQL API.

Rocket Pants adds JSON API love to Rails and ActionController, making it simpler to build API-oriented controllers.

Pure Ruby MaxMind DB (GeoIP2) binary file reader.

Another business actions architecture for Rails apps

Area allows you to perform a variety of conversions between places in the United States and area codes or zip codes.

Injects Angular.js UI Bootstrap directives into your asset pipeline.

Provides an easy to use and understand event model. If you want a simple, light-weight way to add events to your classes this is the solution for you.

Automatically generate and renew your push notification profiles

A library to expand shortened URIs, respecting timeouts, following multiple redirects and leaving unshortened URIs intact.

Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website.

Ruby WebHDFS/HttpFs client

Dead easy Vagrant plugins management

When playing ctf pwn challenges we usually needs the one-gadget of execve('/bin/sh', NULL, NULL). This gem provides such gadget finder, no need to use IDA-pro every time like a fool :p. Typing `one_gadget /path/to/libc` in terminal and having fun!

Helper of form select options.

Axlsx Rails Spreadsheet Template Handler © Noel Peden

Plugin to easily add web analytics to your jekyll site without modifying your templates. Supported are: Google Analytics, Piwik, Matomo, MPulse

handy for converting xls files to json

A Simple Agora Dynamic Key Implementation

Validation library

Javascript SVG parser and renderer on Canvas

Neo4j-core provides classes and methods to work with the graph database Neo4j.

seo_checker check your website if it is seo.

Provides a CLI tool for generating knife commands to build Chef-managed infrastructure from a simple JSON or YAML file.

Phaser library for opal

Underlock makes it dead simple to encrypt and decrypt files using public/private keys.

Simple Ruby implementations of some common monads.

Wraps ffmpeg to read metadata and transcodes videos.

Simple dsl for defining how to calculate how complete a model instance is (similar to LinkedIn profile completeness)

Create use cases the way they were meant to be. Easily verify inputs at each step and seamlessly fail with custom error data and convenient pattern matching.

ruote is an open source Ruby workflow engine

Service encapsulates an object which executes a bit of code in a loop that can be started or stopped and query whether it is running or not.

A smart DSL for ruby initializers boilerplate

A interactive command line tool for evaluating the puppet language

Enumerations for Ruby with some magic powers!

A Ruby application that allows for communication between the Jenkins CI and Github.

Create beautiful JavaScript charts with one line of Ruby

A framework for pulling together an overview of data that is important to your team and displaying it easily on TVs around the office. You write a bit of ruby code to gather data from some services and let Smashing handle the rest - displaying that data in a wonderfully simple layout. Built for developers and hackers, Smashing is highly customizable while maintaining humble roots that make it approachable to beginners.

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Swift implementation of a k-dimensional binary space partitioning tree.

Timeseries data monitoring framework running as a rails engine

An opinionated way of organizing front-end code in Ruby on Rails, based on components

Ruby Firebase REST API client built on top of [rest-core][]. [rest-core]: https://github.com/godfat/rest-core

The speed of a single-page web application without having to write any JavaScript.

Make managing application errors a more pleasant experience.