Offload CarrierWave's image processing and storage to a background process using Delayed Job, Resque, Sidekiq, Qu, Queue Classic or Girl Friday

Diplomat is a simple wrapper for Consul

Low level Ruby client for Elastic. See the `elasticsearch` or `elastic-enterprise-search` gems for full integration.

Get an SVG into your view and then style it with CSS.

Realtime server metrics in your browser.

A date picker for Twitter Bootstrap

Dentaku is a parser and evaluator for mathematical formulas

ranked-model is a modern row sorting library built for Rails 4.2+. It uses ARel aggressively and is better optimized than most other libraries.

Monitors Ruby apps and reports detailed metrics on performance to Scout.

Library for parsing SSH certificates

Mailgun's Official Ruby SDK for interacting with the Mailgun API.

UNIONs in ActiveRecord! Adds proper union and union_all methods to ActiveRecord::Relation.

This library can be used as a module for `fog` or as standalone provider to use vSphere in applications.

Caxlsx_Rails provides an Caxlsx renderer so you can move all your spreadsheet code from your controller into view files. Partials are supported so you can organize any code into reusable chunks (e.g. cover sheets, common styling, etc.) You can use it with acts_as_caxlsx, placing the to_xlsx call in a view and adding ':package => xlsx_package' to the parameter list. Now you can keep your controllers thin!

Use cucumber to test native iOS apps via Frank

RSpec tests for your AWS resources.

A deployment tool for Docker. Takes containers from a Docker registry and runs them on a fleet of hosts with the correct environment variables, host mappings, and port mappings. Supports rolling deployments out of the box, and makes it easy to ship applications to Docker servers. We're using it to run our production infrastructure.

Dynamoid is an ORM for Amazon's DynamoDB that supports offline development, associations, querying, and everything else you'd expect from an ActiveRecord-style replacement.

Codebase as structure of locatable classes and methods based on the Ruby AST

N+1 auto-detection for Rails with zero false positives / false negatives