ThumbsUp provides dead-simple voting capabilities to ActiveRecord models with karma calculation, a la stackoverflow.com.

A scalable XMPP chat server.

Program in YAML — Code is Data

Testing utils for Action Cable

Airtable client to make Airtable interactions a breeze

URI class for parsing data URIs

A Ruby gem. For emoji. For everyone. :heart:

Documentation measurement tool for Ruby, based on YARD.

ISO 639-1 and ISO 639-2 language code entries and convenience methods.

JSON Object Signing and Encryption

Adds a method to MiniTest that stubs any instance of a class.

A gem that calculates the exchange rate using published rates from open-exchange-rates. Compatible with the money gem.

Auto-submit Rails exceptions as new issues on GitHub

ViewComponents for Polaris Design System

Fine grained concurrency for Ruby

Rails extensions for using Roar in the popular web framework.

Ruby Stats is a port of the statistics libraries from PHPMath. Probability distributions include binomial, beta, and normal distributions with PDF, CDF and inverse CDF as well as Fisher's Exact Test.

Bootstraps in code required to take advantage of EventMachine/EM-Synchrony's concurrency enhancements for slow IO. Patches TCPSocket, which makes anything based on it EM-aware (including RestClient). Includes patch for tests. Requires Fibers (Ruby 1.9, JRuby and Rubinius in 1.9 mode)

Statsig server SDK for feature gates and experimentation in Ruby

This gem identifies valid tracking numbers and the service they're associated with. It can also tell you a little bit about the package purely from the number—there's quite a bit of info tucked away into those numbers, it turns out.