Web HTTP framework benchmarking platform. Who is the fastest?

Ruby on Rails

Utility for converting markup files to pdf files

Solr-powered search for Ruby objects

Searchlight helps you build searches from options via Ruby methods that you write.

A pure Ruby code highlighter that is compatible with Pygments

The push notification service for Ruby.

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.

minimalist framework for building rack applications

a modular Ruby webserver interface

A Ruby/Rack web server built for concurrency

A modern Ruby framework designed for non-blocking I/O and simpler infrastructure

Source for the TechEmpower Framework Benchmarks project

RDoc produces HTML and online documentation for Ruby projects.

Classy web-development dressed in a DSL (official / canonical repo)

The microframework for writing powerful web applications.

Data mapping and persistence toolkit for Ruby

A flexible framework for maintainable Ruby apps

Logging library

SQL support for rom-rb

Type Signature for Ruby

minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking.

RubyMotion templates. Some provided by the community. Some provided by RubyMotion.

Boot large Ruby/Rails apps faster

CSV Reading and Writing

Database based asynchronous priority queue system -- Extracted from Shopify

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

The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.

The Ruby Programming Language

ActiveRecord backend integration for DelayedJob 3.0+