Easy installation and use of geckodriver, that provides the HTTP API described by the WebDriver protocol to communicate with Gecko browsers, such as Firefox.

A ruby gem to check if the owner of a given email address is working for THE MAN.

A complete, standalone view rendering system that gives you everything you need to write well-factored view code

Precompiled binaries for image_optim: advpng, gifsicle, jhead, jpeg-recompress, jpegoptim, jpegtran, optipng, oxipng, pngcrush, pngout, pngquant

JSON::LD parses and serializes JSON-LD into RDF and implements expansion, compaction and framing API interfaces for the Ruby RDF.rb library suite.

em-proxy based shadow proxy server

This gem provides the leaflet.js map display library for your Rails 4+ application.

Fat-free ActionCable implementation for using with AnyCable (and without Rails)

Synchronizes i18n translation keys and content with localeapp.com so you don't have to manage translations by hand.

Rails integration for Mandrill

Ruby library for consuming Google, Yahoo!, Flickr and Windows Live contact APIs

The simulator and RubyMotion REPL make on-device testing a painful cycle of code, compile, check, repeat. *Especially* when it comes to testing the UI, where inexplicable differences can crop up between a device and the simulator. Motion-Xray is an in-app developer's toolbox. Activate Xray (us...

A Ruby SDK for use with Optimizely Feature Experimentation, Optimizely Full Stack (legacy), and Optimizely Rollouts

Provides CLI tools for working with ruby packs.

Easy way to retrieve Google Page Rank, Alexa Rank, backlink counts, index counts and different types of social signals

This gem allows you to create IOS Passbooks. Unlike some, this works with Rails but does not require it.

A Ruby library to glitch PNG images.

A ruby port of puppeteer

a qq robot based on smart qq api.

Out of the box, Rails will render templates in a controller context only. This gem allows for calling "render" from anywhere: models, background jobs, rake tasks, you name it.