ISO8601 is a simple implementation in Ruby of the ISO 8601 (Data elements and interchange formats - Information interchange - Representation of dates and times) standard.

Jekyll Picture Tag adds responsive images to your Jekyll static site. It automatically creates resized source images, is fully configurable, and covers all use cases, including art direction and resolution switching, with a little YAML configuration and a simple template tag.

OAuth 2.0 Device Authorization Grant extension for Doorkeeper.

Adds file validators to ActiveModel

DigitalOcean fog provider gem

Liquid tag for displaying GitHub Gists in Jekyll sites.

Deploy a middleman built site over rsync, ftp, sftp, or git (e.g. gh-pages on github).

Easily setup logical replication and switchover to new database with minimal downtime

Integrates ServiceWorker into the Rails asset pipeline.

Lightweight state machine extracted from ActiveModel

lazy_preload implementation for ActiveRecord models

A library/cli to fetch all public IP addresses associated with an AWS account

Find slowly loading gems for your Bundler-based projects

Your Rails console, 1984 style

library for interfacing with systemd D-Bus APIs

Fluentd plugins for the Stackdriver Logging API, which will make logs viewable in the Stackdriver Logs Viewer and can optionally store them in Google Cloud Storage and/or BigQuery. This is an official Google Ruby gem.

A gem for reading MaxMind DB files. MaxMind DB is a binary file format that stores data indexed by IP address subnets (IPv4 or IPv6).

Compatibility helpers for Mongoid.

Use to match path patterns such as gitignore

Make cross-platform 2D applications in Ruby