Tiny library for calculating Elo ratings. Handles multiplayer matches and allows for custom k-factor functions.

ActiveModel email validator. Checks MX records for domains. Allows you to block free/disposable email providers

EmailHunter is a minimalistic Ruby wrapper for the Hunter.io API. It provides a straightforward interface to integrate Hunter.io's email discovery capabilities into your sales and marketing workflows.

An em-http-request handler for the aws-sdk for Fiber based asynchronous ruby application using EM-Synchrony

Construct absolute paths and full URLs for a Sinatra application

This gem adds MQTT (Message Queue Telemetry Transport) protocol support to EventMachine.

A little emoji language that compiles down to Ruby. "It's just ruby."

A WebSocket client implementation for EventMachine

Provides a simple task worker, with a task concurrency limit.

Encrypted session cookies for Rack

Helper for testing Rails Engines sanely

This gem connects to the EY Cloud API

A separate adapter for speaking the CLI language of the engineyard-serverside gem.

Simple enum fields for ActiveRecord

Enum Attributes Validation provides validation functionality for enum attributes in models.

Save HTTP responses to give your tests a hint of reality. Responses are saved into your fixtures directory and are used for subsequent web requests until they expire.

Miscellaneous utility libraries to make my life easier.

Supports EPUB2 and EPUB3 formats.

Generate Home Assistant configuration from ETS project

Etwings API wrapper for monacoin/bitcoin trade.