Draiken

jq

Command-line JSON processor

nprogress

For slim progress bars like on YouTube, Medium, etc

picasso

A powerful image downloading and caching library for Android

offline

Automatically display online/offline indication to your users

better_errors

Better error page for Rack apps

cabot

Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty

veewee

Easing the building of vagrant boxes

errbit

The open source error catcher that's Airbrake API compliant

raml-spec

RAML Specification

groupdate

The simplest way to group temporal data

BuckyClient

Collect performance data from the client

fulcrum

An agile project planning tool

rspec_api_documentation

Automatically generate API documentation from RSpec

phrase

Phrase is an Android string resource templating library

route_translator

Translate your rails app route to various languages without the hassle

switch.vim

A simple Vim plugin to switch segments of text with predefined replacements

signet

Display a unique seal in the developer console of your page

releasy

A rake task generator to help with building/packaging/deploying Ruby applications (⚠️ unmaintained)

sigil

Identicon generator

HalloweenBash

Custom Bash Profile Generator

rearview

Timeseries data monitoring framework

utf8-cleaner

imperator

Imperator is a gem for creating small command objects

hostsfile

Easily manage your hosts file with Chef

Prime

Android Image Loading Library

hashr

Simple Hash extension to make working with nested hashes (e.g. for configuration) easier and less error-prone.

spree_bootstrap

Spree Frontend Replacement w/Twitter Bootstrap

bash-it

A community bash framework.

foreman-export-initscript

Export foreman Procfile to a init script

storyteller