TimeCalc is a library for idiomatic time calculations, like "plus N days", "floor to month start", "how many hours between those dates", "sequence of months from this to that". It intends to be small and easy to remember without any patching of core classes.

Realtime Rails log in your browser. For Rails 3.1+

Cookie manipulation for Capybara drivers -- viewing, deleting, ...

ActiveModel extension with support for ActiveRecord-like Attributes API

integrate pods in form of prebuilt frameworks conveniently, reducing compile time

Front-end Ruby web framework for fast, reasonable, and composable applications

International Local Regional Setting Manager © Sven Fuchs

This is an extraction of the `auto_link` method from rails. The `auto_link` method was removed from Rails in version Rails 3.1. This gem is meant to bridge the gap for people migrating.

Sentiment analysis with ruby.

Don’t fool around with adding tracking partials to your app and concentrate on the things that matter.

Blockchain API library (Ruby, v1)

To parallelize your CI without having to balance your tests

Organizes ActiveRecord models into a tree/hierarchy using a materialized path implementation based around PostgreSQL's ltree datatype. ltree's operators ensure that queries are fast and easily understood.

Rein adds bunch of methods to your ActiveRecord migrations so you can easily tame your database.

Very simple Roles library without any authorization enforcement supporting scope on resource objects (instance or class). Supports ActiveRecord and Mongoid ORMs.

The best solution for store global settings in Rails applications. This gem will managing a table of а global key, value pairs easy. Think of it like a global Hash stored in your database, that uses simple ActiveRecord like methods for manipulation. Keep track of any global setting that you dont want to hard code into your rails app. You can store any kind of object. Strings, numbers, arrays, or any object.

Primer is a Jekyll theme for GitHub Pages based on GitHub's Primer styles

Allow you to search for code using node pattern syntax.

A simple interface over several background job libraries like Resque, Sidekiq and DelayedJob.

Client Side Validations for Rails 2.x and 3.x

This Jekyll plugin makes it very easy to send larger images to devices with high pixel densities. The plugin adds an `image_tag` Liquid tag that can be used like this: {% image_tag src="/image.png" width="100" %}

A wrapper library to the tesseract-ocr API.

ruby2ruby provides a means of generating pure ruby code easily from RubyParser compatible Sexps. This makes making dynamic language processors in ruby easier than ever!

For use with client side single page apps such as the venerable https://github.com/lynndylanhurley/ng-token-auth.

CAS Strategy for OmniAuth

An RFC7749 (XML2RFC) generating backend for Thomas Leitner's "kramdown" markdown parser. Mostly useful for RFC writers.

A drop-in replacement for e.g. MemCacheStore to store Rails sessions (and Rails sessions only) in Redis. For great glory!

SSL requirement adds a declarative way of specifying that certain actions should only be allowed to run under SSL, and if they're accessed without it, they should be redirected.

ASCII side-scrolling game, with ANSI color!

Turnout makes it easy to put your Rails application into maintenance mode

Adds a generator for creating a foreign key migration based on your current model associations

Social graph for Ruby objects. Based on an original idea by Kerri Miller.

Merged various pull requests including subfolders in beaker directory

Differentiate development environment from production

Smart asset packaging for Rails, Sinatra, and Stasis.

clayoven is a modern website generator with a traditional design

test-page helps you to write easily maintainable integration tests by using Watir, Selenium or any other testing library.

rails_sortable provides easy drag & drop sorting for rails 4 and 5.

Collect statistics about how your application is performing with ease. Export metrics to various monitoring systems.

DecentExposure helps you program to an interface, rather than an implementation in your Rails controllers. The fact of the matter is that sharing state via instance variables in controllers promotes close coupling with views. DecentExposure gives you a declarative manner of exposing an interface to the state that controllers contain and thereby decreasing coupling and improving your testability and overall design.

GeoEngineer provides a Ruby DSL and command line tool (geo) to codeify then plan and execute changes to cloud resources using Hashicorp Terraform.

The ultimate WinRM shell for hacking/pentesting

A library for supporting implementation of Facebook Messenger Bots.

Guard::Jasmine automatically tests your Jasmine specs on PhantomJS

Fig is a utility for configuring environments and managing dependencies across a team of developers. Given a list of packages and a command to run, Fig builds environment variables named in those packages (e.g., CLASSPATH), then executes the command in that environment. The caller's environment is not affected.

Adds query origin tracing to your logs.

A Sinatra-like DSL for Reel that supports websockets and SSE

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

Sort HTML tables in a Rails app.

Font Awesome, SASS version, with assets pipeline, for Rails 3.1+

Fie is a Rails-centric frontend framework running over a permanent WebSocket connection.

Get your flock on in Ruby.

With Amnesia you'll know exactly whats happening with memory when it comes to memcached.

event_bus provides support for application-wide events, without coupling the publishing and subscribing objects or classes to each other

Automatically set per-request locale in Rails applications

TorqueBox Gem

Cake is available on Windows, Linux and OS X.

Typed structs and value objects

This is Rack middleware that makes your app compliant with the 'EU ePrivacy Directive'

Jobless is a simple DSL for creating a CV in HTML format.

LightMongo is a lightweight Mongo object persistence layer for Ruby which makes use of Mongo's features rather than trying to emulate ActiveRecord.

Loops is a small and lightweight framework for Ruby on Rails, Merb and other ruby frameworks created to support simple background loops in your application which are usually used to do some background data processing on your servers (queue workers, batch tasks processors, etc).

A nice shortcut for group count queries

Klisé is a minimalist Jekyll theme for running a personal site or blog, light & dark mode support.

A knife plugin for working with data bags and chef solo

Don't let your console messages drown in a wall of text, make them stand out

CarthageCache generate a hash key based on the content of your Cartfile.resolved and checks if there is a cache archive (a zip file of your Carthage/Build directory) associated to that hash. If there is one it will download it and install it in your project avoiding the need to run carthage bootstrap.

A Rake-based helper for building and distributing Rust-based Ruby extensions

Adds Minitest as the default testing library in Rails

npm support for Capistrano 3.x

Plugin for Jekyll 2.x and 3.x that adds support for translated keys, templates and posts.

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.

RDL is a gem that adds types and contracts to Ruby. RDL includes extensive support for specifying method types, which can either be enforced as contracts or statically checked.

Opinionated presenters for Rails 5 - without the cruft

Agnostic pagination in plain ruby: it works with any framework, ORM and DB type, with all kinds of collections, even pre-paginated, scopes, Arrays, JSON data... Easy, powerful, fast and light.

Ruby time and date comparisons for humans

Simple WebSocket Client for Ruby

A Rails plugin/gem for awesome nested templates and layouts

An integrated Authentication, Authorization and Roles solution for your Rails 3 app with support for multiple ORMs

A gem providing "time travel" and "time freezing" capabilities, making it dead simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

TimeWarp is a ruby library for manipulating times in automated tests.

Mountain View helps you create reusable visual components on your Rails Application.

A very fast way to turn TeX math equations into beautifully rendered SVGs, to embed on the web. This library is mostly written in C and is a general purpose wrapper to GNOME's Lasem.

Allows Sequel to use ActiveRecord connection for database interaction.

Easy to use general purpose settings backend for activeadmin

Game framework built on top of the OpenGL accelerated game lib Gosu. It adds simple yet powerful game states, prettier input handling, deployment safe asset-handling, a basic re-usable game object and automation of common task.

EventMachine driver for MongoDB.

A simple and Rubyish view helper for Rails

Mongoid support for CarrierWave

Highly customizable exception handling for Ruby on Rails

Extraction of ActiveSupport::Duration and the related core extensions.

kramdown is yet-another-markdown-parser but fast, pure Ruby, using a strict syntax definition and supporting several common extensions.

Various middleware for Faraday

Picguard guards your application by filtering out the pictures containing inappropriate content.

home_run is an implementation of ruby's Date/DateTime classes in C, with much better performance (20-200x) than the version in the standard library, while being almost completely compatible.

A reserved Jekyll theme that places the utmost gravity on content with a hidden drawer

A tool for creating nice looking HTML5 presentations.

Ruby library to validate hashes (Hash) against user-defined requirements

Dump compiled iseq by binary (kakidasu) and load binary (yomidasu).