Distributed locks (mutexes & semaphores) using Memcached or Redis.

Argon2 FFI binding

Yandex ClickHouse database interface for Ruby

Cookstyle is a code linting tool that helps you to write better Chef Infra cookbooks by detecting and automatically correcting style, syntax, and logic mistakes in your code.

A Danger plugin for Android Lint

ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints a...

Automate changes to your project CHANGELOG.md

Module for the 'fog' gem to support Joyent.

Better than Pathname

A good, simple, solid tagging extension for ActiveRecord

Jekyll plugin to render Markdown files that have no YAML front matter. Supported on GitHub Pages.

Jekyll plugin that uses README.md as your site's index page, no index.md needed. Supported on GitHub Pages.

Jekyll plugin that sets page.title from the first Markdown heading when front matter has none. Supported on GitHub Pages.

A gem for interacting with the GeoIP webservices and databases. MaxMind provides geolocation data as downloadable databases as well as through a webservice.

A pure Mongoid/Moped implementation of the MongoDB GridFS specification

Gem for interacting with the Nylas API v2.

Easy CLI tool for making non-blocking zero downtime schema changes in PostgreSQL

Fine grained concurrency for Ruby

rubocop-daemon is a CLI tool that makes RuboCop faster.

RuboCop rules for detecting and autocorrecting undecorated strings for i18n (gettext and rails-i18n)