A toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Rich support for multibyte strings, internationalization, time zones, and testing.

Selenium implements the W3C WebDriver protocol to automate popular browsers. It aims to mimic the behaviour of a real user as it interacts with the application's HTML. It's primarily intended for web application testing, but any web-based task can automated.

HTTP/REST API client library.

The mime-types library provides a library and registry for information about MIME content type definitions. It can be used to determine defined filename extensions for MIME types, or to use filename extensions to look up the likely MIME type definitions. Version 3.0 is a major release that requi...

Protect against typical web attacks, works with all Rack apps, including Rails

Simple, efficient background processing for Ruby.

Sinatra is a DSL for quickly creating web applications in Ruby with minimal effort.

Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.

This gem aims at being a simple and reliable solution for controlling external programs running in the background on any Ruby / OS combination.

Guard is a command line tool to easily handle events on file system modifications.

A toolset of small support modules used throughout the dry-rb ecosystem

The official library for communicating with the Twilio REST API, building TwiML, and generating Twilio JWT Capability Tokens

The ultimate WinRM shell for hacking/pentesting

Reek is a tool that examines Ruby classes, modules and methods and reports any code smells it finds.

Go faster, off the Rails

Dpl (dee-pee-ell) is a tool made for continuous deployment, running deployments at Travis CI.

ruby-vips is a binding for the libvips image processing library. It is fast and it can process large images without loading the whole image in memory.

lolcommits takes a snapshot with your webcam every time you git commit code, and archives a lolcat style image with it. It's selfies for software developers. `git blame` has never been so much fun.

RBS is the language for type signatures for Ruby and standard library definitions.

IDE tools for code completion, inline documentation, and static analysis