Simple mime type detection using magic numbers, filenames, and extensions

Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.

Simple, feature rich ascii table generation library

Toastr: Simple javascript toast notifications, plugged into the rails asset pipeline.

memoize methods invocation

Retriable is a simple DSL to retry failed code blocks with randomized exponential backoff. This is especially useful when interacting external api/services or file system calls.

Uglifier minifies JavaScript files by wrapping UglifyJS to be accessible in Ruby

A high-level IO library that provides validation, type conversion, and more for command-line interfaces. HighLine also includes a complete menu system that can crank out anything from simple list selection to complete shells with just minutes of work.

Parallel tests across CI server nodes based on each test file's time execution. It generates a test time execution report and uses it for future test runs.

ActiveModel::Serializers allows you to generate your JSON in an object-oriented and convention-driven manner.

RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data.

Middleware that will make Rack-based apps CORS compatible. Fork the project here: https://github.com/cyu/rack-cors

Use webpack to manage app-like JavaScript modules in Rails

An elegant, structured (X)HTML/XML templating engine.

["description"]

Ruby API for Elasticsearch. See the `elasticsearch` gem for full integration.

Supervisors, Supervision Groups, and Supervision Trees for Celluloid.

Notifications, Internals, Logging, Probe, and essential Celluloid pieces demanding Supervision

Classes to support examples, benchmarks, or add special functionality.

Simple finite state machines with integrated Celluloid timeout support.