ruby-bookmarks

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Collection of ideas, tricks and skills for hackers, an open source book

by — This book doesn't teach how to use Rails to build prototypes. Instead, this book dives one layer below the surface to expose how Rails is pieced together

Academic writing on the Ruby programming language

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Sinatra Book

— a cookbook full of excellent tutorials and recipes for developing Sinatra web applications

— this book will teach you how to create a Ruby web application from scratch using Cuba microframework

— Ruby on Rails, ReactJS, React Native, open source, engineering and design

— Ruby tutorials & articles to help you become a better developer

Writes about flexible object-oriented code in Ruby and Rails, avid speaker. and author of

— Rails community on Reddit

— Ruby community on Reddit

— dev.to posts on Ruby

— Discover & find a curated list of popular & new libraries, top authors, trending project kits, discussions, tutorials & learning resources on kandi

Stories tagged as on Lobste.rs

— Rails tutorials for girls in a variety of languages

– A free, once–weekly e-mail round-up of Ruby news and articles

— Questions tagged with

— Questions tagged with

★ Ruby Course Library

★ by Avdi Grimm

★ — a series of screencasts and guides for all aspects of Ruby on Rails. Learn how to setup your machine, build a Rails application, and deploy it to a server

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Articles & screencasts about awesome ruby projects

— expert recording services for conferences, seminars, and workshops

— video courses and books ($30 per month)

— by Gary Bernhardt

daily emails on Ruby, Rails, TDD, OOP, and Refactoring with code examples and challenges. Also mob programming events with guest developers and Pat Maddox. ($149 per month)

10 weeks long Ruby on Rails screencasts. It assumes you know little about programming and not used Ruby, Rails or databases previously. Good for beginners

A complete begginer friendly low price course on udemy with a lot of extra infos

– index of all Ruby-related videos from conferences and meetups worldwide

— online Ruby console and 15 minute interactive Ruby tutorial

— a huge amount of programming problems to learn any language

— a site for coders who enjoy to work on challenging problems, and is inspired by similar efforts such as Project Euler and the Internet Problem Solving Contest

— These guides are designed to make you immediately productive with Rails, and to help you understand how all of the pieces fit together

— will walk you along the path to enlightenment in order to learn Ruby. The goal is to learn the Ruby language, syntax, structure, and some common functions and libraries. We also teach you culture. Testing is not just something we pay lip service to, but something we live. It is essential in your quest to learn and do great things in the language

— free, interactive tutorials to help you discover Ruby idioms, in your browser!

— articles on Ruby programming

— RSpec best practices

— search engine for code examples/ Here is a

— a list of beginner and advanced-level Ruby, Rails, and Sinatra project tutorials. Includes challenging independent projects as well

— An online Ruby course recently open sourced

— an online Ruby lesson plan with a community to help

— free guide for text processing with Ruby from the command line

— free ebook to learn Ruby regular expressions, includes exercises

Explore Ruby and all its libraries along with many projects

Ruby Cheatsheet

— a cheatsheet for beginners

Thoughtbot Style Guides

(Ruby, Rails, Git some other technologies)

— don’t let your friends dump git logs into CHANGELOGs™

StackOverflow:

★ — one of the best text editors for coding. Take a look at — a comprehensive list of plugins and other related stuff

— intelligent Ruby and Rails IDE

— a brand-new hackable text editor from Github

— Redefined code editor from Microsoft with

sonarlint-intellij

An IDE extension that helps you detect and fix quality issues as you write code

RuboCop

— a Ruby static code analyzer, based on the community Ruby style guide

Guard plugin for RuboCop

— allows you to automatically check Ruby code style with RuboCop when files are modified

RubyCritic

— a gem that wraps around static analysis gems such as Reek, Flay and Flog to provide a quality report of your Ruby code

rbenv

★ — a tool to pick a Ruby version for your application and guarantee that your development environment matches production. Put rbenv to work with Bundler for painless Ruby upgrades and bulletproof deployments

rbenv-vars

— an rbenv plugin that safely sets global and per-project environment variables

— a command-line tool which allows you to easily install, manage, and work with multiple ruby environments from interpreters to sets of gems

chruby

— a tool that changes the current Ruby

— a self-contained Windows-based installer that includes the Ruby language, an execution environment, important documentation, and more

— a complete development environment for Ruby on Rails that can be deployed in one click. It includes the latest stable release of Ruby, RVM, Rails, Apache, NGinx, MySQL, SQLite, Git and Subversion, Memcache and Varnish, Sphinx, PHP and phpMyAdmin

— an API Documentation Browser and Code Snippet Manager. Dash stores snippets of code and instantly searches offline documentation sets for 150+ APIs, including Ruby core libraries, and Ruby on Rails

– Dash alternative for Linux & Windows

— multiple API documentations in a fast, organized, and searchable interface (web)

— comprehensive ruby documentation search (web)

– Rack HTTP server for fast clients and Unix

— a fast and robust web server and application server for Ruby, Python and Node.js

– A very fast & simple Ruby web server

Puma

— a Ruby web server built for concurrency

— a zero-config Rack server for Mac OS X

Powder

— user-friendly CLI wrapper for Pow

Powify

— a management tool for Pow by 37 signals. It allows you to easily install, update, and manage pow and pow applications seamlessly

— a pure ruby alternative to Pow! that runs on GNU/Linux

— an application platform that supports popular technologies such as Ruby on Rails and Sinatra, while extending the footprint of Ruby applications to include built-in support for services such as messaging, scheduling, caching, and daemons. TorqueBox provides an all-in-one environment, built upon the latest JBoss AS Java application server and JRuby. Functionality such as clustering, load-balancing and high-availability is included right out-of-the-box

(July 2014) — „I benchmarked every single version of Ruby available as of the beginning of this test — January 2014. On each version I benchmarked every Rack server and web framework combination I could find. I tested with both Apache Bench and wrk to see if there are flaws that one benchmarking tool picks up on that the other didn’t. The goal of the benchmark is the fastest benchmark run, not the average.“

— a comparison of popular ruby application servers

Capistrano

— remote multi-server automation tool

Chef

— a systems integration framework, built to bring the benefits of configuration management to your entire infrastructure

Mina

★ – really fast deployer and server automation tool

Rails + Nginx + Unicorn Dockerfile

— easy useable docker for rails. less configuration, affordable production

— a powerful alternative to the standard IRB shell for Ruby. It features syntax highlighting, a flexible plugin architecture, runtime invocation and source and documentation browsing

Reek

— code smell detection for Ruby

Foreman

— manage Procfile-based applications

— a Ruby-based regular expression editor. It's a handy way to test regular expressions as you write them

httpie

— extremely handy command line HTTP client, a user-friendly cURL replacement

— introspected tunnels to localhost. ngrok creates a tunnel from the public internet ( ) to a port on your local machine. You can give this URL to anyone to allow them to try out a web site you're developing without doing any deployment

eye

— a process monitor

god

the Ruby Framework for Process Management

DuckRails

development tool for mocking API endpoints quickly & dynamically

build, deploy, and manage your applications on any cloud, or on your own server

— Learn programming by doing, not by reading

— Achieve mastery through challenge

at Toptal

at DigitalOcean

Annotate

— Add a comment summarizing the current schema to the top or bottom of each of your ActiveRecord models, fixtures, tests and specs, factory_girl factories, routes.rb file, etc

Paperclip

— easy file attachment management for ActiveRecord

Thinking Sphinx

— a library for connecting ActiveRecord to the Sphinx full-text search tool, and integrates closely with Rails (but also works with other Ruby web frameworks)

Ancestry

— organise ActiveRecord model into a tree structure

Squeel

— lets you write your Active Record queries with fewer strings, and more Ruby, by making the Arel awesomeness that lies beneath Active Record more accessible

pp_sql

Rails ActiveRecord SQL queries log beautifier

RABL

— a Rails and Padrino ruby templating system for generating JSON, XML, MessagePack, PList and BSON

Grape

— an opinionated micro-framework for creating REST-like APIs in Ruby

Pliny

– write excellent APIs in Ruby

Committee

A collection of middleware to help build services with JSON Schema, OpenAPI 2, OpenAPI 3

Savon

a micro-framework to handle all the soap(WSDL) requests

Devise

— flexible authentication solution for Rails with Warden

OmniAuth

— a flexible authentication system utilizing Rack middleware

Authlogic

— a clean, simple, and unobtrusive ruby authentication solution

sorcery

— magical Authentication for Rails 3 and 4, with OAuth support. Supports ActiveRecord, DataMapper, Mongoid and MongoMapper

CanCanCan

— a continuation of the dead. project. Our mission is to keep CanCan alive and moving forward, with maintenance fixes and new features

Pundit

— minimal authorization through OO design and pure Ruby classes

avatarly

— a simple gem for creating gmail-like user avatars based on user email or any other string passed

— a full-featured background processing framework for Ruby. It aims to be simple to integrate with any modern Rails application and much higher performance than other existing solutions

Backburner

— a beanstalkd-powered job queue that can handle a very high volume of jobs

Delayed::Job

— database backed asynchronous priority queue

que

— a Ruby job queue that uses PostgreSQL's advisory locks for speed and reliability

Resque

— a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later

Sucker Punch

— an asynchronous processing library using Celluloid, heavily influenced by Sidekiq and girl_friday

Ohm

— object-hash mapping for Redis

Karafka

Ruby and Rails multi-threaded efficient Kafka processing framework. It allows you to capture everything that happens in your systems in large scale

bootstrap-sass

— official SASS port of Twitter Bootstrap

twitter-bootstrap-rails

— Twitter Bootstrap for Rails asset pipeline

colorize

— String class extension. It add some methods to set color, background color and text effect on console easier using ANSI escape sequences

TTY

— a toolbox for developing beautiful command line clients in Ruby

LESS

— leaner CSS, in your browser or Ruby

— a lightweight mixin library for Sass

SASS

— an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin

Bitters

— add a dash of pre-defined style to your Bourbon

Autoprefixer

— a tool to parse CSS and add vendor prefixes to CSS rules using values from the Can I Use. This gem provides Ruby and Ruby on Rails integration with this JavaScript tool

dotenv

★ — loads environment variables from .env file into ENV in development

Chamber

— A surprisingly configurable convention-based approach to managing your application's custom configuration settings

Figaro

— simple, Heroku-friendly Rails app configuration using ENV and a single YAML file

A runtime developer console and IRB alternative with powerful introspection capabilities

Byebug

— a simple to use, feature rich debugger for Ruby 2. It uses the new TracePoint API for execution control and the new Debug Inspector API for call stack navigation, so it doesn't depend on internal core sources. It's developed as a C extension, so it's fast. And it has a full test suite so it's reliable

FastSpring

— subscription API for Rails

Active Merchant

— a simple and unified API to access dozens of different payment gateways with very different internal APIs

— this SDK provides Ruby APIs to create, process and manage payment

Solidus

— An open source ecommerce solution built with Ruby on Rails

RMagick

— an interface to the ImageMagick and GraphicsMagick image processing libraries

MiniMagick

— a ruby wrapper for ImageMagick or GraphicsMagick command line

psd.rb

Parse Photoshop files in Ruby with ease

— an HTML, XML, SAX, and Reader parser. Among Nokogiri’s many features is the ability to search documents via XPath or CSS3 selectors

Yell

— Your Extensible Logging Library, a comprehensive logging replacement for Ruby

Fluentd

— an open source data collector designed for processing data streams, which instantly enables you to have Log Management, Big Data Analytics, etc

mongodb_logger

— an alternative logger for Rails or Rack based app, which log all requests of you application into MongoDB database (allow to store and search any information from logs; web panel allow filter logs, build graphs using MapReduce by information from logs)

Hatchet

— logging library that provides the ability to add class/module specific filters

logstasher

Awesome rails logs

Rails Pretty logger

Check and search logs from dashboard, use hightlight to spot easily, add hourly rotation if needed

Pony

— the express way to send email in Ruby

Mailgun-Ruby

— Mailgun's Official Ruby Library

AWS::SES

— easy ruby DSL & interface to . See also the

Mail

— a library that is designed to handle emails generation, parsing and sending in a simple, rubyesque manner

— a Rails engine that provides an endpoint for SendGrid, Cloudmailin, Postmark or Mandrill and hands off the email to your application

kramdown

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

redcarpet

— a fast, safe and extensible Markdown to (X)HTML parser

maruku

— a pure-Ruby Markdown-superset interpreter

markup

— the code GitHub uses to render

StackOverflow:

AMQP

— EventMachine-based RabbitMQ client

★ — RabbitMQ Ruby client based on AMQP gem

rbzmq

— Ruby binding for ZeroMQ

ffi-rzmq

★ — FFI bindings for ZeroMQ so the library can be used under JRuby and other FFI-compliant ruby runtimes

Prawn

— fast, nimble PDF generation

Dalli

— high performance Memcached client for Ruby

EventMachine

— fast, simple event-processing library

rpush

— push notification service, supporting Apple Push Notification Service, Google Cloud Messaging, Amazon Device Messaging, Windows Phone Push Notification Service

Rubyzip

— reading and writing zip files

JsonCompare

— returns the difference between two JSON files

Dante

— turn any ruby code into a daemon

Memoist

— an extraction of ActiveSupport::Memoizable with few extensions

Awesome Print

— a Ruby library that pretty prints Ruby objects in full color exposing their internal structure with proper indentation. Rails ActiveRecord objects and usage within Rails templates are supported via included mixins

twig

Your personal Git branch assistant

datashift

Comprehensive Excel and CSV import/export tools for Ruby

Configurations

— provides a unified approach to do configurations for gems or other ruby code

awesome_print

— a Ruby library that pretty prints Ruby objects in full color exposing their internal structure with proper indentation. Rails ActiveRecord objects and usage within Rails templates are supported via included mixins

YYMMDD

— tiny DSL for idiomatic date parsing and formatting

Libnotify

— Ruby bindings for libnotify, a crossplatform user notification library

MemFs

— provides a fake file system that can be used for tests

Github-Changelog-Generator

— automatically generate change log from your tags, issues, labels and pull requests

wannabe_bool

— If string, numeric, symbol and nil values wanna be a boolean value, they can with the new #to_b method (and more)

response_code

Response Code in readable way

thread

— extensions to the thread library (includes thread pool)

Sprawling

— spawn gem for Rails to easily fork or thread long-running code blocks

Parallel

— Run any code in parallel Processes(> use all CPUs) or Threads(> speedup blocking operations). Best suited for map-reduce or e.g. parallel downloads/uploads

ruby-prof

— a code profiler for MRI rubies

Timecop

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

timecop-console

— expose Timecop's capabilities to the UI in your rails app, allowing QA to take advantage of it

stackprof

— a sampling call-stack profiler for ruby 2.1+

stackprof-webnav

— web UI for viewing stackprof dumps

rblineprof

— line-profiler

Peek

— status bar showing performance info for Rails apps

Peek::Rblineprof

— peek into how much each line of your Rails application takes throughout a request

Bullet

— a gem to help to increase application's performance by reducing the number of queries it makes. It will watch your queries while you develop your application and notify you when you should add eager loading (N+1 queries), when you're using eager loading that isn't necessary and when you should use counter cache

rack-mini-profiler

— middleware that displays speed badge for every html page. Designed to work both in production and in development

Instrumental

— Real-time performance monitoring with a non-blocking and non-exception causing agent

Rack::Timeout

— abort requests that are taking too long

— protects against typical web attacks. Should work for all Rack apps, including Rails

Rack::LiveReload

— Bring in into handy Rack middleware. No need for browser extensions anymore! Just plug it in your middleware stack and go! Even supports browsers without WebSockets!

rack-mini-profiler

— middleware that displays speed badge for every html page. Designed to work both in production and in development

Coverband

— Rack middleware to help measure production code coverage

Simple Form

— forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup

ResqueMailer

— Rails plugin for sending asynchronous email with ActionMailer and Resque

— an industrial strength asset packaging library for Rails, providing both the CSS and JavaScript concatenation and compression that you'd expect, as well as YUI Compressor, Closure Compiler, and UglifyJS compatibility, ahead-of-time gzipping, built-in JavaScript template support, and optional Data-URI / MHTML image and font embedding

CarrierWave

— classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

Kaminari

— clean, powerful, customizable and sophisticated paginator for modern web app frameworks and ORMs

suspenders

— a Rails template with standard defaults, ready to deploy to Heroku

High Voltage

— easily include static pages in your Rails app

Squasher

— compresses old migrations in a Rails application. If you work on a big project with lots of migrations, every rake db:migrate might take a few seconds, or creating of a new database might take a few minutes. That's because Rails loads all those migration files. Squasher removes all the migrations and creates a single migration with the final database state of the specified date (a new migration will look like a schema)

Metamagic

— a simple Ruby on Rails plugin for creating meta tags. It supports regular meta tags, OpenGraph (Facebook), Twitter Cards, and custom tags

Better Errors

— replaces the standard Rails error page with a much better and more useful error page. It is also usable outside of Rails in any Rack app as Rack middleware

Quiet Assets

— turns off the Rails asset pipeline log

RailsAdmin

— a Rails engine that provides an easy-to-use interface for managing your data

paper_trail

— track changes to your models' data. Good for auditing or versioning

font-awesome-rails

— the font bundled as an asset for the rails asset pipeline

gemoji

— emoji images and names

rails_emoji

— one more emoji gem for Ruby on Rails

Royce

— a Ruby on Rails roles solution

YamlDb

— a database-independent format for dumping and restoring data. It complements the the database-independent schema format found in db/schema.rb. The data is saved into db/data.yml

formtastic

— a Rails form builder plugin with semantically rich and accessible markup

rails_param

— parameter Validation & Type Coercion

RailsFriendlyURLs

Rails gem to configure absolutely any url within your project into a SEO-Friendly one

email_validator

— an email validator for Rails 3 and 4

validates_email_format_of

— validate e-mail addresses against RFC 2822 and RFC 3696 with this Ruby on Rails plugin and gem

rufus-scheduler

★ — an in-process, in-memory scheduler with no persistence, accepting at, in, cron and every jobs

sidekiq-cron

— scheduler based on rufus-scheduler and ( based message queue) for persistence. Inherits web UI from Sidekiq

sidekiq-scheduler

— one more job scheduler based on rufus-scheduler and Sidekiq

resque-scheduler

— rufus-scheduler + Resque

— a cron replacement. It runs as a lightweight, long-running Ruby process which sits alongside your web processes (Mongrel/Thin) and your worker processes (DJ/Resque/Minion/Stalker) to schedule recurring work at particular times or dates. Here is a with more details

Whenever

— a Ruby wrapper for crond, with a clear syntax (each job is a separate process)

— Amazon Web Services API for Ruby

for Ruby

— cloud services library, top to bottom: collections provide a simplified interface, making clouds easier to work with and switch between; requests allow power users to get the most out of the features of each individual cloud; mocks make testing and integrating a breeze

Yt

— YouTube API Ruby client

Square SDK

The Ruby SDK for Square APIs

Ransack

— enables the creation of both simple and advanced search forms against your application's models

Brakeman

— a static analysis security vulnerability scanner for Ruby on Rails applications

Rack::Attack

– Rack middleware for blocking & throttling

bundler-audit

– Patch-level verification for Bundler

Codesake::Dawn

Codesake::Dawn is a security source code scanner for ruby powered code. It is especially designed for web applications, but it works also with general purpose ruby scripts. Codesake::Dawn supports all major MVC frameworks like ruby on rails, Padrino and Sinatra; it provides more than 170 security checks with their own mitigation suggestion

JSON

— includes pure Ruby and C implementation for JSON

JSON::Stream

— a streaming JSON parser that generates SAX-like events

YAJL

— a streaming JSON parsing and encoding library for Ruby (C bindings to YAJL)

OJ

— Optimized JSON, as the name implies, was written to provide speed optimized JSON handling. So far it has achieved that, and is about 2 times faster than any other Ruby JSON parser, and 3 or more times faster at serializing JSON

TOML

— a sane configuration format

BSON

— Ruby implementation of the BSON Specification (2.0.0+),

MessagePack

— an efficient binary serialization format. It lets you exchange data among multiple languages like JSON but it's faster and smaller. For example, small integers (like flags or error code) are encoded into a single byte, and typical short strings only require an extra byte in addition to the strings themselves. See

Protobuf

— Ruby implementation for Protocol Buffers

aasm

— finite state machines to Ruby classes

MicroMachine

— minimal Finite State Machine

Statesman

— an opinionated state machine library designed to provide a robust audit trail and data integrity. It decouples the state machine logic from the underlying model and allows for easy composition with one or more model classes

Rouge

— a pure-ruby code highlighter that is compatible with pygments

pygments.rb

— a Ruby wrapper for the Python syntax highlighter

Mustache

— logic-less Ruby templates. A framework-agnostic way to render logic-free views

— a very compact markup language, that accelerates and simplifies template creation down to veritable haiku

Slim

– a templating language that reduce the syntax to the essential parts without becoming cryptic

Tilt

— generic interface to multiple Ruby template engines

— RSpec meta-gem that depends on the other components

rspec-rails

— Rails integration for RSpec

RSpec::Expectations

— a simple, readable API to express expected outcomes of a code example

Cucumber

— a tool for running automated tests written in plain language

factory_bot

— a fixtures replacement with a straightforward definition syntax, support for multiple build strategies (saved instances, unsaved instances, attribute hashes, and stubbed objects), and support for multiple factories for the same class, including factory inheritance

factory_bot_rails

— Rails integration for

Capybara

— a tool helping you test web applications by simulating how a real user would interact with your app. It is agnostic about the driver running your tests and comes with Rack::Test and Selenium support built in. WebKit is supported through an external gem

capybara-webkit

A Capybara driver for headless WebKit so you can test JavaScript web apps

Formulaic

— simplify form filling with Capybara

Mocha

— a Ruby library for mocking and stubbing

Spring

— Rails application preloader to speeds up development by keeping your application running in the background so you don't need to boot it every time you run a test, rake task or migration

Faker

— a library for generating fake data such as names, addresses, and phone numbers

— an open source full-stack framework web application framework

— a DSL for quickly creating web applications in Ruby with minimal effort

— a Ruby framework built upon the Sinatra web library, created to make it fun and easy to code more advanced web applications while still adhering to the spirit that makes Sinatra great!

Cuba

★ — a microframework for web development originally inspired by , a tiny but powerful mapper for Rack applications. It integrates many templates via Tilt, and testing via Cutest and Capybara

Hanami

— a complete, modern web framework

— a new ruby web framework, allowing for fast and DRY code using a routing tree. Find out

for different Ruby, web framework and app server combinations (actual on July 2014)