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fucking-awesome-ruby

💎 A collection of awesome Ruby libraries, tools, frameworks and software. With repository stars⭐ and forks🍴
https://github.com/correia-jpv/fucking-awesome-ruby

Last synced: 4 days ago
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  • API Builder and Discovery

    • Blueprinter - Simple, Fast, and Declarative Serialization Library for Ruby.
    • Acts_As_Api - Easy And Fun, in creating XML/JSON responses in Rails 3,4,5 and 6.
    • JSONAPI::Resources - JSONAPI::Resources, or "JR", provides a framework for developing a server that complies with the JSON API specification.
    • JSONAPI::Utils - JSONAPI::Utils is built on top of JSONAPI::Resources taking advantage of its resource-driven style and bringing an easy way to build modern JSON APIs with no or less learning curve.
    • Jsonite - A tiny, HAL-compliant JSON presenter for your APIs.
    • Alba - A JSON serializer for Ruby, JRuby and TruffleRuby.
    • Blanket - A dead simple API wrapper.
    • Her - an ORM that maps REST resources to Ruby objects. Designed to build applications that are powered by a RESTful API instead of a database.
    • versionist - A plugin for versioning Rails based RESTful APIs.
    • Crepe - The thin API stack.
    • Pliny - Opinionated template Sinatra app for writing excellent APIs in Ruby.
    • rabl - General ruby templating with json, bson, xml, plist and msgpack support.
    • Spyke - Interact with REST services in an ActiveRecord-like manner.
    • Version Cake - An unobtrusive way to version APIs in your Rails app.
    • EasyTalk - Define structured data models with a DSL that generates JSON Schema and ActiveModel validations from a single source of truth.
    • Roar - Resource-Oriented Architectures in Ruby.
    • ActiveModel::Serializers - JSON serialization of objects.
    • cache_crispies - Speedy Rails JSON serialization with built-in caching.
    • jbuilder - Create JSON structures via a Builder-style DSL.
    • jsonapi-rb
    • jsonapi-serializer - A fast JSON:API serializer for Ruby Objects.

  • Automation

    • Neovim - Ruby bindings for Neovim to make your own neovim editor plugins in Ruby.
    • Huginn - Huginn is a system for building agents that perform automated tasks for you online.
    • Runbook - A framework and Ruby DSL for progressive system automation.
    • ActiveWorkflow - An intelligent process and workflow automation platform based on software agents.
    • Danger - Automate your team's conventions surrounding code review.

  • Dashboards

    • Dashing-Rails - The exceptionally handsome dashboard framework for Rails.
    • Blazer - Simple data viewer using only SQL. Output to table, chart, and maps.

  • Data Visualization

    • LazyHighCharts - A simple and extremely flexible way to use HighCharts from ruby code. Tested on Ruby on Rails, Sinatra and Nanoc, but it should work with others too.
    • RailRoady - Ruby on Rails 3/4 model and controller UML class diagram generator.
    • Rails Erd - Generate Entity-Relationship Diagrams for Rails applications.
    • Ruby/GraphViz - Ruby interface to the GraphViz graphing tool.
    • GeoPattern - Create beautiful generative geometric background images from a string.
    • ApexCharts.rb - Awesome charts for your ruby app. Works on any ruby app, including Rails app. It even works on plain HTML+ERB files.

  • Decorators

    • Responders - A set of Rails responders to dry up your application.
    • Draper - Draper adds an object-oriented layer of presentation logic to your Rails application.
    • Decent Exposure - A helper for creating declarative interfaces in controllers.
    • ShowFor - Quickly show a model information with I18n features. Like form_for for displaying model data.

  • Feature Flippers and A/B Testing

    • Motorhead - A Rails Engine framework that helps safe and rapid feature prototyping.
    • Split - Rack Based AB testing framework.
    • Rollout - Feature flippers.
    • flipper - Feature flipping for ANYTHING. Make turning features on/off so easy that everyone does it. Whatever your data store, throughput, or experience.
    • Vanity - an A/B testing framework for Rails that is datastore agnostic.
    • Unleash - Ruby client for Unleash, a powerful feature toggle system that gives you a great overview over all feature toggles across all your applications and services.

  • File Upload

    • DragonFly - A Ruby gem for on-the-fly processing - suitable for image uploading in Rails, Sinatra and much more!.
    • rack-secure-upload - Upload files securely.
    • attache - Standalone image and file server to decouple your app from file management concerns.
    • Shrine - Toolkit for handling file uploads in Ruby.
    • Refile - A modern file upload library for Ruby applications, Refile is an attempt by CarrierWave's original author to fix the design mistakes and overengineering in CarrierWave.
    • PaperClip - Easy file attachment management for ActiveRecord. Deprecated as of May 14, 2018.
    • CarrierWave - Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks.

  • Git Tools

    • Rugged - Ruby bindings to libgit2.
    • Overcommit - A fully configurable and extendable Git hook manager.
    • ginatra - A web frontend for Git repositories.
    • git-auto-bisect - Find the commit that broke master.
    • git_curate - Peruse and delete git branches ergonomically.
    • git_reflow - An automated quality control workflow for Agile teams.
    • git-spelunk - Dig through git blame history.
    • git-whence - Find which merge a commit came from.

  • GraphQL

  • Internationalization

    • FastGettext - Ruby internationalization tool with less memory, simple, clean namespace and threadsafe.
    • rails-i18n - Repository for collecting Locale data for Rails I18n as well as other interesting, Rails related I18n stuff.
    • Termit - Translations with speech synthesis in your terminal.
    • Globalize - Globalize builds on the I18n API in Ruby on Rails to add model translations to ActiveRecord models.
    • i18n-tasks - Manage missing and unused translations with the awesome power of static analysis.
    • r18n - Advanced i18n library for Rails, Sinatra, desktop apps, models, works well with complex languages like Russian.
    • twitter-cldr-rb - Ruby implementation of the ICU (International Components for Unicode) that uses the Common Locale Data Repository to format dates, plurals, and more.
    • i18n - Ruby Internationalization and localization solution.
    • mini_i18n - Minimalistic, flexible and fast Internationalization library. It supports localization, interpolations, pluralization, fallbacks, nested keys and more.
    • Tolk - A web interface for doing i18n translations packaged as a Rails engine.

  • ORM/ODM

    • Redis-Objects - Redis Objects provides a Rubyish interface to Redis, by mapping Redis data types to Ruby objects, via a thin layer over the redis gem.
    • ROM - Ruby Object Mapper (ROM) is an experimental Ruby library with the goal to provide powerful object mapping capabilities without limiting the full power of your datastore.
    • ActiveRecord - Object-relational mapping in Rails.
    • NoBrainer - A RethinkDB ORM for Ruby
    • Mongoid - An ODM (Object-Document-Mapper) framework for MongoDB in Ruby.
    • MongoModel - Ruby ODM for interfacing with MongoDB databases.
    • Ohm - Object-hash mapping library for Redis.
    • Hanami::Model - A lean Repository-pattern based ORM framework for Hanami and modern Ruby applications.
    • Neo4j.rb - A Neo4j OGM (Object-Graph-Mapper) for use in Ruby on Rails and Rack frameworks heavily inspired by ActiveRecord.
    • Sequel - Sequel is a simple, flexible, and powerful SQL database access toolkit for Ruby.

  • PDF

    • Prawn - Fast, Nimble PDF Writer for Ruby.
    • RGhost - RGhost is a document creation and conversion API.
    • Squid - Squid · A Ruby library to plot charts in PDF files
    • Wicked Pdf - PDF generator (from HTML) plugin for Ruby on Rails.
    • Grim - Extract PDF pages as images and text. A simple Ruby API to ghostscript, imagemagick, and pdftotext.
    • InvoicePrinter - Super simple PDF invoicing in Ruby (built on top of Prawn).
    • Kitabu - A framework for creating e-books from Markdown/Textile text markup using Ruby.
    • Pdfkit - HTML+CSS to PDF using wkhtmltopdf.
    • CombinePDF - A Pure ruby library to merge or stump PDF files, number pages and more.
    • HexaPDF - A Versatile PDF Creation and Manipulation Library For Ruby.

  • Performance Monitoring

    • Skylight - A smart profiler for your Rails apps that visualizes request performance.
    • Instrumental - Measure your application in real time with [Instrumental](http://instrumentalapp.com).
    • RoRvsWild - Performances and exceptions monitoring for Rails developers.
    • Scout - Scout Ruby Application Monitoring Agent.
    • New Relic - Find and fix Ruby errors with New Relic application monitoring and troubleshooting.

  • Scheduling

    • rufus-scheduler - Job scheduler for Ruby (at, cron, in and every jobs).
    • minicron - A system to manage and monitor cron jobs.
    • ruby-clock - A job scheduler which runs jobs each in their own thread in a persistent process.
    • Sidekiq-Cron - A scheduling add-on for Sidekiq.
    • Simple Scheduler - An enhancement for Heroku Scheduler + Sidekiq for scheduling jobs at specific times with a readable YML file.
    • Whenever - A Ruby gem that provides a clear syntax for writing and deploying cron jobs.
    • que-scheduler - A lightweight cron scheduler for the async job worker Que.
    • resque-scheduler - A light-weight job scheduling system built on top of Resque.

  • Scientific

    • smarter_csv - Ruby Gem for smarter importing of CSV Files as Array(s) of Hashes.
    • classifier-reborn - An active fork of Classifier, and general module to allow Bayesian and other types of classifications.
    • statsample - A suite for basic and advanced statistics on Ruby.
    • statsample-timeseries - Bioruby Statsample TimeSeries.
    • minimization - Minimization algorithms on pure Ruby.
    • BioRuby - Library for developing bioinformatics software.
    • bloomfilter-rb - BloomFilter(s) in Ruby: Native counting filter + Redis counting/non-counting filters.
    • PyCall - Calling Python functions from the Ruby language.
    • ruby-opencv - An OpenCV wrapper for Ruby.
    • Daru::View - A library for easy and interactive plotting on Jupyter Notebooks and web applications.
    • Rgl - A framework for graph data structures and algorithms.
    • NMatrix - Fast numerical linear algebra library for Ruby.
    • Numo::NArray - N-dimensional Numerical Array for Ruby.
    • mdarray - Multi dimensional array implemented for JRuby inspired by NumPy.
    • Red Data Tools - Data processing tools for Ruby.
    • SciRuby - Tools for scientific computation in Ruby/Rails.
    • decisiontree - A ruby library which implements ID3 (information gain) algorithm for decision tree learning.
    • algorithms - Library with documentation on when to use a particular structure/algorithm.
    • jaro_winkler - Ruby & C implementation of Jaro-Winkler distance algorithm which supports UTF-8 string.
    • primes-utils - A Rubygem which provides a suite of extremely fast utility methods for testing and generating primes.
    • Roots - A Rubygem which provides utilities to find all the nth roots of real and complex values.
    • IRuby - A Ruby kernel for Jupyter.
    • statsample-glm - Generalized Linear Models extension for Statsample.
    • distribution - Statistical Distributions multi library wrapper.

  • Third-party APIs

    • Octokit - Ruby toolkit for the GitHub API.
    • instagram-ruby-gem - The official gem for the Instagram REST and Search APIs.
    • Notion Ruby Client - A Ruby wrapper for the Notion API.
    • Octokit - Ruby toolkit for the GitHub API.
    • Ably - Ruby library for realtime communication over Ably.
    • Buffer - Buffer API Ruby Library
    • discordrb - An implementation of the Discord API.
    • Dropbox - Ruby client for Dropbox API v2.
    • fb_graph2 - A full-stack Facebook Graph API wrapper.
    • flickr - A Ruby interface to the Flickr API.
    • gitlab - Ruby wrapper and CLI for the GitLab API.
    • google-api-ads-ruby - Google Adwords Ruby client
    • gmail - A Rubyesque interface to Gmail, with all the tools you'll need.
    • hipchat-rb - HipChat HTTP API Wrapper in Ruby with Capistrano hooks.
    • itunes_store_transporter - Ruby wrapper around Apple's iTMSTransporter program.
    • ruby-trello - Implementation of the Trello API for Ruby.
    • simple-slack-bot - You can easily make Slack Bot.
    • t - A command-line power tool for Twitter.
    • twitter - A Ruby interface to the Twitter API.
    • linkedin - Provides an easy-to-use wrapper for LinkedIn's REST APIs.
    • Pusher - Ruby server library for the Pusher API.
    • ruby-gmail - A Rubyesque interface to Gmail.
    • Slack Notifier - A simple wrapper for posting to Slack channels.
    • Slack ruby gem - A Ruby wrapper for the Slack API.
    • soundcloud-ruby - Official SoundCloud API Wrapper for Ruby.
    • terjira - A command-line power tool for Jira.
    • tweetstream - A simple library for consuming Twitter's Streaming API.
    • twilio-ruby - A module for using the Twilio REST API and generating valid TwiML.
    • whatsapp-sdk - Ruby client for the Whatsapp API.
    • wikipedia - Ruby client for the Wikipedia API.
    • Yt - An object-oriented Ruby client for YouTube API V3.

  • Web Crawling

    • Spidr - A versatile Ruby web spidering library that can spider a site, multiple domains, certain links or infinitely. Spidr is designed to be fast and easy to use.
    • Upton - A batteries-included framework for easy web-scraping.
    • Mechanize - Mechanize is a ruby library that makes automated web interaction easy.
    • MetaInspector - Ruby gem for web scraping purposes.
    • Wombat - Web scraper with an elegant DSL that parses structured data from web pages.
    • LinkThumbnailer - Ruby gem that generates thumbnail images and videos from a given URL. Much like popular social website with link preview.
    • Kimurai - A modern web scraping framework written in Ruby which works out of box with Headless Chromium/Firefox, PhantomJS, or simple HTTP requests and allows to scrape and interact with JavaScript rendered websites.

  • Web Frameworks

    • Camping - A web microframework which consistently stays at less than 4kB of code.
    • Hobbit - A minimalistic microframework built on top of Rack.
    • Roda - A routing tree web framework.
    • Syro - Simple router for web applications.
    • Rack::App - Bare bone minimalistic framework for building rack apps.
    • Trailblazer - Trailblazer is a thin layer on top of Rails. It gently enforces encapsulation, an intuitive code structure and gives you an object-oriented architecture.

  • Error Handling

    • Airbrake - The official Airbrake library for Ruby on Rails (and other Rack based frameworks).
    • Sentry Ruby - The Ruby client for Sentry.
    • Errbit - The open source, self-hosted error catcher.
    • Exception Handler - Custom error pages.
    • Nesty - Nested exceptions for Ruby.
    • Better Errors - Better error page for Rack apps.
    • Bugsnag - Error monitoring for Rails, Sinatra, Rack, and plain Ruby apps.
    • Exception Notification - A set of notifiers for sending notifications when errors occur in a Rack/Rails application.
    • Rollbar - Easy and powerful exception and error tracking for your applications.

  • RSS

    • Stringer - A self-hosted, anti-social RSS reader.
    • Feed normalizer - Extensible Ruby wrapper for Atom and RSS parsers.
    • Feedjira - A feed fetching and parsing library.
    • feedparser - A feed parser and normalizer (Atom, RSS, JSON, etc) library.
    • Simple rss - A simple, flexible, extensible, and liberal RSS and Atom reader.

  • SEO

    • prerender_rails - Rails middleware gem for prerendering javascript-rendered pages on the fly for SEO.
    • MetaTags - A gem to make your Rails application SEO-friendly.
    • FriendlyId - The "Swiss Army bulldozer" of slugging and permalink plugins for Active Record.
    • SitemapGenerator - A framework-agnostic XML Sitemap generator written in Ruby.

  • WebSocket

    • Firehose - Build realtime Ruby web applications.
    • Slanger - Open Pusher implementation compatible with Pusher libraries.
    • StimulusReflex - Build reactive applications with the Rails tooling you already know and love.
    • CableReady - CableReady completes the ActionCable story and expands the utility of web sockets in your Rails app.

  • Source

  • ORM/ODM Extensions

    • active_snapshot - Simplified snapshots and restoration for ActiveRecord models and associations with a transparent white-box implementation
    • acts_as_archival - ActiveRecord plugin for atomic object tree archiving.
    • PermenantRecords - Soft-delete your ActiveRecord records, like an explicit version of ActsAsParanoid.
    • ActiveRecord::Turntable - A database sharding extension for ActiveRecord.
    • Apartment - Multi-tenancy for Rails and ActiveRecord.
    • Destroyed At - Allows you to "destroy" an object without deleting the record or associated records.
    • ActsAsParanoid - ActiveRecord plugin allowing you to hide and restore records without actually deleting them.
    • ActsAsRecursiveTree - ActsAsTree but recursive.
    • ActsAsTree - Extends ActiveRecord to add simple support for organizing items into parent–children relationships.
    • Ancestry - Organise ActiveRecord model into a tree structure using a variation on the materialised path pattern.
    • Awesome Nested Set - Awesome Nested Set is an implementation of the nested set pattern for ActiveRecord models.
    • Discard - A simple ActiveRecord mixin to add conventions for flagging records as discarded.
    • Enumerize - Enumerated attributes with I18n and ActiveRecord/Mongoid/MongoMapper support.
    • Goldiloader - Automatic ActiveRecord eager loading.
    • Rating - A true Bayesian rating system with scope and cache enabled.
    • Acts As Taggable On - A tagging plugin for Rails applications that allows for custom tagging along dynamic contexts.
    • Logidze - Database changes log for Rails.
    • ActiveFlag - Store up to 64 multiple flags in a single integer column with ActiveRecord.
    • Bitfields - Save migrations and columns by storing multiple booleans in a single integer.
    • ActiveRecord Import - a library for bulk inserting data using ActiveRecord.
    • bulk_insert - A little ActiveRecord extension for helping to insert lots of rows in a single insert statement.
    • data_miner - Download, pull out of a ZIP/TAR/GZ/BZ2 archive, parse, correct, and import XLS, ODS, XML, CSV, HTML, etc. into your ActiveRecord models.
    • ferry - A ruby gem for easy data transfer.
    • arel_extensions - Extending Arel: more "rubyish" syntax, functions for strings, dates, math... and add native extensions for some DBs.
    • DeepPluck - Allow you to pluck attributes from nested associations without loading a bunch of records.
    • Merit - Adds reputation behavior to Rails apps in the form of Badges, Points, and Rankings for ActiveRecord or Mongoid.
    • PublicActivity - Provides easy activity tracking for your ActiveRecord, Mongoid 3 and MongoMapper models in Rails 3 and 4. Similar to Github's Public Activity.
    • Simple Feed - Fast and highly scalable read-optimized social activity feed library in pure Ruby, backed by Redis.
    • positioning - Simple positioning for Active Record models. Supports multiple lists per model and relative positioning.
    • ranked-model - A modern row sorting library for ActiveRecord. It uses ARel aggressively and is better optimized than most other libraries.
    • Paranoia - A re-implementation of acts_as_paranoid for Rails 3 and 4, using much, much, much less code.
    • ActsAsList - Provides the capabilities for sorting and reordering a number of objects in a list.
    • Audited - Audited is an ORM extension for ActiveRecord & MongoMapper that logs all changes to your models.
    • marginalia - Attach comments to your ActiveRecord queries. By default, it adds the application, controller, and action names as a comment at the end of each query.
    • mongoid-history - Multi-user non-linear history tracking, auditing, undo, redo for mongoid.
    • PaperTrail - Track changes to your ActiveRecord models' data for auditing or versioning.
    • ActiveValidators - An exhaustive collection of off-the-shelf and tested ActiveModel/ActiveRecord validations.
    • Acts As Tennant - Add multi-tenancy to a Rails app through a shared database strategy.
    • Milia - Non-invasive multi-tenancy for Rails which supports Devise authentication out of the box.
    • Unread - Manage read/unread status of ActiveRecord objects - and it's fast.
    • Closure Tree - Easily and efficiently make your ActiveRecord models support hierarchies using a Closure Table.
    • Mongoid Tree - A tree structure for Mongoid documents using the materialized path pattern.

  • Template Engine

    • Mustache - Logic-less Ruby templates.
    • Curly - A template language that completely separates structure and logic.
    • Haml - HTML Abstraction Markup Language.
    • Liquid - Safe, customer facing template language for flexible web apps.
    • Slim - A template language whose goal is reduce the syntax to the essential parts without becoming cryptic.
    • Tilt - Generic interface to multiple Ruby template engines.

  • Testing

    • Cutest - Isolated tests in Ruby.
    • Fuubar - The instafailing RSpec progress bar formatter.
    • Nyan Cat - Nyan Cat inspired RSpec formatter!
    • Spring - Preloads your rails environment in the background for faster testing and Rake tasks.
    • timecop - Provides "time travel" and "time freezing" capabilities, making it dead simple to test time-dependent code.
    • Turbo Tests - Run RSpec tests on multiple cores. Like `parallel_tests` but with incremental summarized output.
    • shoulda-matchers - Provides Test::Unit- and RSpec-compatible one-liners that test common Rails functionality. These tests would otherwise be much longer, more complex, and error-prone.
    • Spinach - Spinach is a high-level BDD framework that leverages the expressive Gherkin language (used by Cucumber) to help you define executable specifications of your application or library's acceptance criteria.
    • ffaker - A faster Faker, generates dummy data, rewrite of faker.
    • Forgery - Easy and customizable generation of forged data.
    • ActiveMocker - Generate mocks from ActiveRecord models for unit tests that run fast because they don’t need to load Rails or a database.
    • CQL - CQL is a library for making queries against Cucumber style test suites.
    • cuke_modeler - An modeling library for `.feature` files that is an abstration layer on top of the `gherkin` gem, providing a stable base upon which to build other Gherkin related tools.
    • DnsMock - Ruby DNS mock. Mimic any DNS records for your test environment and even more.
    • DuckRails - Tool for mocking API endpoints quickly & dynamically.
    • SmtpMock - Ruby SMTP mock. Mimic any SMTP server behaviour for your test environment with fake SMTP server.
    • TestXml - TestXml is a small extension for testing XML/HTML.
    • WebMock - Library for stubbing and setting expectations on HTTP requests.
    • Ferrum - High-level API to control Chrome in Ruby.
    • Poltergeist - A PhantomJS driver for Capybara.
    • Appraisal - Appraisal integrates with bundler and rake to test your library against different versions of dependencies.
    • gitarro - Run, retrigger, handle all type and OS-independent tests against your GitHub Pull Requests.
    • mutant - Mutant is a mutation testing tool for Ruby.
    • Cucumber - BDD that talks to domain experts first and code second.
    • Selenium WebDriver - Ruby bindings for WebDriver.
    • Watir - Web application testing in Ruby.
    • Knapsack - Optimal test suite parallelisation across CI nodes for RSpec, Cucumber, Minitest, Spinach and Turnip.
    • Zapata - Who has time to write tests? This is a revolutionary tool to make them write themselves.
    • power_assert - Power Assert for Ruby.
    • Ruby-JMeter - A Ruby based DSL for building JMeter test plans.
    • vcr - Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
    • Bacon - A small RSpec clone.
    • faker - A library for generating fake data such as names, addresses, and phone numbers.
    • RSpec - Behaviour Driven Development for Ruby.
    • Emoji-RSpec - Custom Emoji Formatters for RSpec.
    • Aruba - Testing command line applications with cucumber and rspec.
    • Capybara - Acceptance test framework for web applications.
    • Fix - Specing framework for Ruby.
    • Howitzer - Ruby based framework for acceptance testing
    • Mocha - Mocha is a mocking and stubbing library for Ruby.
    • RR - A test double framework that features a rich selection of double techniques and a terse syntax.
    • TestBench - TestBench is a principled test framework for Ruby and MRuby aiming to offer precisely what is needed to test well-designed code effectively and easily.
    • factory_bot - A library for setting up Ruby objects as test data.
    • Fake Person - Uses some of the most popular given & surnames in the US & UK.
    • Parallel Tests - Speedup Test::Unit + RSpec + Cucumber by running parallel on multiple CPUs (or cores).
    • Wraith - A responsive screenshot comparison tool.

  • Web Servers

    • Falcon - A high-performance web server for Ruby, supporting HTTP/1, HTTP/2 and TLS.
    • Iodine - An non-blocking HTTP and Websocket web server optimized for Linux/BDS/macOS and Ruby MRI.
    • Agoo - A high performance HTTP server for Ruby that includes GraphQL and WebSocket support.
    • Puma - A modern, concurrent web server for Ruby.
    • Thin - Tiny, fast & funny HTTP server.
    • TorqueBox - A Ruby application server built on JBoss AS7 and JRuby.
    • Unicorn - Rack HTTP server for fast clients and Unix.

  • Authorization

    • Pundit - Minimal authorization through OO design and pure Ruby classes.
    • acl9 - Acl9 is a role-based authorization system that provides a concise DSL for securing your Rails application.
    • AccessGranted - Multi-role and whitelist based authorization gem for Rails.
    • ActionPolicy - Authorization framework for Ruby and Rails applications. Composable, extensible and performant.
    • Consul - A scope-based authorization solution for Ruby on Rails.
    • Petergate - Easy to use and read action and content based authorizations.
    • CanCanCan - Continuation of CanCan, an authorization Gem for Ruby on Rails.
    • Rabarber - Simple role-based authorization for Rails with multi-tenancy support.

  • Caching

    • Dalli - A high performance pure Ruby client for accessing memcached servers.
    • Second Level Cache - Write-Through and Read-Through caching library for ActiveRecord 4.
    • IdentityCache - A blob level caching solution to plug into ActiveRecord.
    • Kashmir - Kashmir is a Ruby DSL that makes serializing and caching objects a snap.
    • Readthis - High performance, pooled, ActiveSupport compliant caching with Redis.
    • Garner - A set of Rack middleware and cache helpers that implement various caching strategies.
    • Record Cache - Cache Active Model Records in Rails 3.
    • Action caching for Action Pack - Action caching for Action Pack.
    • redis-store - Redis Store provides a full set of stores (Cache, I18n, Session, HTTP Cache) for modern Ruby frameworks like: Ruby on Rails, Sinatra, Rack, Rack::Cache and I18n. It supports object marshalling, timeouts, single or multiple nodes, and namespaces.

  • CLI Utilities

    • Pastel - Terminal output styling with intuitive and clean API.
    • formatador - STDOUT text formatting.
    • Paint - Simple and fast way to set ANSI terminal colors.
    • Awesome Print - Pretty print your Ruby objects with style -- in full color and with proper indentation
    • Betty - Friendly English-like interface for your command line. Don't remember a command? Ask Betty.
    • colorize - Extends String class or add a ColorizedString with methods to set text color, background color and text effects.
    • colorls - Beautifies the `ls` command, with color and font-awesome icons.
    • Ruby/Progressbar - The most flexible text progress bar library for Ruby.
    • Tabulo - Plain text table generator with a DRY, column-based API.
    • Ru - Ruby in your shell.
    • TablePrint - Slice your data from multiple DB tables into a single CLI view.
    • Terminal Table - Ruby ASCII Table Generator, simple and feature rich.
    • Tmuxinator - Create and manage complex tmux sessions easily.
    • Whirly - A simple, colorful and customizable terminal spinner library for Ruby.

  • Cloud

    • humidifier - Programmatically generate and manage AWS CloudFormation templates, stacks, and change sets.
    • Fog - The Ruby cloud services library.
    • AWS SDK for Ruby - The official AWS SDK for Ruby.

  • Code Formatting

    • Rubocop Performance - A RuboCop extension focused on code performance checks.
    • Standard - Ruby Style Guide, with linter & automatic code fixer
    • niceql - A dependentless SQL and SQL errors formatting and colorizing. ActiveRecord seemless integration.
    • prettier - A prettier plugin for the Ruby language.
    • RuboCop - A static code analyzer, based on the community Ruby style guide.

  • Coding Style Guides

    • RSpec style guide - Better Specs { rspec guidelines with ruby }.
    • Fundamental Ruby - Fundamental programming ruby with examples. Threads, design patterns, data structures, OOP SOLID principle, algorithms.
    • Best-Ruby - Ruby Tricks, Idiomatic Ruby, Refactoring & Best Practices.
    • fast-ruby - Writing Fast Ruby. Collect Common Ruby idioms.
    • Rails style guide - Community-driven Rails best practices and style for Rails 3 and 4.
    • Ruby style guide - Community-driven Ruby coding style.

  • Debugging Tools

    • did_you_mean - Adds class, method & attribute suggestions to error messages.
    • Xray - A development tool that reveals your UI's bones.
    • Pry Byebug - Pry navigation commands via byebug.
    • Byebug - A simple to use, feature rich debugger for Ruby 2.
    • pry-rails - Avoid repeating yourself, use pry-rails instead of copying the initializer to every rails project. This is a small gem which causes rails console to open pry. It therefore depends on pry.
    • Seeing Is Believing - Displays the results of every line of code in your file.

  • HTML/XML Parsing

    • HTML::Pipeline - HTML processing filters and utilities.
    • HappyMapper - Object to XML mapping library, using Nokogiri.
    • Nokolexbor - High-performance HTML5 parser based on Lexbor, with support for both CSS selectors and XPath.
    • Ox - A fast XML parser and Object marshaller.
    • ROXML - Custom mapping and bidirectional marshalling between Ruby and XML using annotation-style class methods, via Nokogiri or LibXML.

  • Security

    • SecureHeaders - Automatically apply several headers that are related to security, including: Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), X-Frame-Options (XFO), X-XSS-Protection, X-Content-Type-Options, X-Download-Options & X-Permitted-Cross-Domain-Policies.
    • Rack::Protection - Rack middleware for protecting against typical Web attacks.
    • bundler-audit - Patch-level security verification for Bundler.
    • Fingerprinter - CMS/LMS/Library etc versions fingerprinter.
    • haiti - Hash type identifier (CLI & lib).
    • Metasploit - World's most used penetration testing software.
    • Pipal - Password analyser and statistics generator
    • Rack::Attack - Rack middleware for blocking & throttling abusive requests.
    • Ronin - A Ruby platform for vulnerability research and exploit development.
    • WhatWeb - Website Fingerprinter.

  • Authentication and OAuth

    • Devise - A flexible authentication solution for Rails based on Warden.
    • JWT - JSON Web Token implementation in Ruby.
    • Monban - A very simple and extensible user authentication library for rails.
    • OmniAuth - A library that standardizes multi-provider authentication utilizing Rack middleware.
    • API Guard - JWT authentication solution for Rails APIs.
    • Authentication Zero - An authentication system generator for Rails applications.
    • Authlogic - Authlogic is a clean, simple, and unobtrusive ruby authentication solution.
    • Rodauth - Authentication and account management framework for Rack applications.
    • warden - General Rack Authentication Framework.
    • Doorkeeper - An OAuth2 provider for Rails.
    • Clearance - Small and simple email & password based authentication for Rails.
    • Sorcery - A stripped-down, bare-bones authentication library for Rails.

  • CLI Builder

    • Commander - The complete solution for Ruby command-line executables.
    • dry-cli - General purpose Command Line Interface (CLI) framework for Ruby.
    • GLI - Git-Like Interface Command Line Parser.
    • Main - A class factory and DSL for generating command line programs real quick.
    • Optimist - A commandline option parser for Ruby that just gets out of your way.
    • Clamp - A command-line application framework.
    • Rake - A make-like build utility for Ruby.
    • TTY - Toolbox for developing CLI clients.
    • Runfile - Build command line applications per project with ease. Rake-inspired, Docopt inside.
    • Slop - Simple Lightweight Option Parsing.
    • Terrapin - A small command line library (Formerly Cocaine).
    • Thor - A toolkit for building powerful command-line interfaces.

  • CMS

    • ComfortableMexicanSofa - Powerful Rails 5.2+ CMS Engine.
    • Fae - Flexible, open source, Rails CMS engine.
    • Camaleon CMS - A dynamic and advanced content management system based on Ruby on Rails 4.
    • Publify - A self hosted Web publishing platform on Rails.
    • Radiant - A no-fluff, open source content management system designed for small teams.
    • Storytime - Rails 4+ CMS and blogging engine, with a core focus on content.

  • Documentation

    • Documentation - A Rails engine to provide the ability to add documentation to a Rails application.
    • GitHub Changelog Generator - Automatically generate change log from your tags, issues, labels and pull requests on GitHub.
    • rspec_api_documentation - Automatically generate API documentation from RSpec.
    • fitting - Library add improve test log for RSpec and WebMock, validate its according to API Blueprint and Open API, show the documentation coverage with log.
    • Gollum - A simple, Git-powered wiki with a sweet API and local frontend.
    • grape-swagger - Add swagger compliant documentation to your Grape API.
    • Hologram - A markdown based documentation system for style guides. It parses comments in your CSS and helps you turn them into a beautiful style guide.
    • Inch - Inch is a documentation measurement and evalutation tool for Ruby code, based on YARD.
    • RDoc - RDoc produces HTML and command-line documentation for Ruby projects.
    • AnnotateRb - Adds database schema annotations for your ActiveRecord models as text comments as well as routes. An active and maintained hard fork of Annotate.
    • Apipie - Rails API documentation and display tool using Ruby syntax.
    • Hanna - An RDoc formatter built with simplicity, beauty and ease of browsing in mind.

  • Ebook

    • Review - Re:VIEW is flexible document format/conversion system.
    • Bookshop - Bookshop is a an open-source agile book development and publishing framework for authors, editors.
    • Gepub - A generic EPUB library for Ruby : supports EPUB 3.
    • Mobi - A Ruby way to read MOBI format metadata.

  • Email

    • Ahoy Email - Analytics and tracking for e-mails.
    • Gibbon - API wrapper for the Mailchimp e-mail marketing platform.
    • Griddler - Simplify receiving email in Rails.
    • Incoming - Incoming! helps you receive email in your Rack apps.
    • LetterOpener - Preview mail in the browser instead of sending.
    • Roadie - Roadie tries to make sending HTML emails a little less painful by inlining stylesheets and rewriting relative URLs for you inside your emails.
    • Sup - A curses threads-with-tags style email client.
    • Maily - A Rails Engine to manage, test and navigate through all your email templates of your app, being able to preview them directly in your browser.
    • Postal - A fully featured open source mail delivery platform for incoming & outgoing e-mail.
    • premailer-rails - CSS styled emails without the hassle.
    • Mail - A Really Ruby Mail Library.
    • MailForm - Send e-mail straight from forms in Rails with I18n, validations, attachments and request information.
    • Pony - The express way to send mail from Ruby.

  • Pagination

    • Pagy - Pagy is the ultimate pagination gem that outperforms the others in each and every benchmark and comparison. More details can be found on 🌎 [Pagy Wiki](ddnexus.github.io/pagy/index).
    • will_paginate - A pagination library that integrates with Ruby on Rails, Sinatra, Merb, DataMapper and Sequel.
    • activerecord_cursor_paginate - Cursor-based pagination for ActiveRecord.
    • Kaminari - A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for modern web app frameworks and ORMs.
    • order_query - A keyset pagination library to find the next or previous record(s) relative to the current one efficiently, e.g. for infinite scroll.

  • Process Management and Monitoring

    • Eye - Process monitoring tool. Inspired from Bluepill and God.
    • Health Monitor Rails - A mountable Rails plug-in to check health of services (Database, Cache, Sidekiq, Redis, e.t.c.) used by the Rails app.
    • God - An easy to configure, easy to extend monitoring framework written in Ruby.
    • Bluepill - Simple process monitoring tool.
    • Foreman - Manage Procfile-based applications.
    • Procodile - Run processes in the background (and foreground) on Mac & Linux from a Procfile.
    • RedisWebManager - Web interface that allows you to manage easily your Redis instance (see keys, memory used, connected client, etc...).

  • Encryption

    • bcrypt-ruby - bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt() password hashing algorithm.
    • Sym - A time-saving symmetric encryption gem based on OpenSSL that uses 256bit (password-encrypted) keys. Read the key from STDIN, a file, ENV or, on a Mac: OS-X Keychain.
    • Themis - crypto library for painless data security, providing symmetric and asymmetric encryption, secure sockets with forward secrecy, for mobile and server platforms.
    • RbNaCl - Ruby binding to the Networking and Cryptography (NaCl) library.

  • Machine Learning

    • TensorFlow - The end-to-end machine learning platform for Ruby.
    • ruby-openai - OpenAI API + Ruby!
    • rumale - A machine learning library with interfaces similar to Scikit-Learn.
    • weka - Machine learning and data mining algorithms for JRuby.
    • PredictionIO Ruby SDK - The PredictionIO Ruby SDK provides a convenient API to quickly record your users' behavior and retrieve personalized predictions for them.
    • AI4R - Algorithms covering several Artificial intelligence fields.
    • Awesome Machine Learning with Ruby - A Curated List of Ruby Machine Learning Links and Resources.
    • langchain.rb - Library for building LLM-powered applications in Ruby.
    • m2cgen - A CLI tool to transpile trained classic ML models into a native Ruby code with zero dependencies.
    • rb-libsvm - Ruby language bindings for LIBSVM. SVM is a machine learning and classification algorithm.
    • ruby-fann - Ruby library for interfacing with FANN (Fast Artificial Neural Network).
    • Torch.rb - Deep learning for Ruby, powered by LibTorch.

  • Music and Sound

    • Sonic Pi - A live coding synth for everyone originally designed to support computing and music lessons.
    • Coltrane - A music theory library with a command-line interface.
    • Maestro - A Slack-Powered music bot for Spotify

  • Optimizations

    • fast_underscore - Provides a C-optimized method for transforming a string from any capitalization into underscore-separated
    • fast_blank - Provides a C-optimized method for determining if a string is blank.
    • pluck_in_batches - A faster alternative to the custom use of `in_batches` with `pluck`.
    • bootsnap - Boot large Ruby/Rails apps faster.
    • fast_count - Quickly get a count estimation for large tables (>99% of accuracy for PostgreSQL).
    • yajl-ruby - A streaming JSON parsing and encoding library for Ruby (C bindings to yajl).

  • Profiler and Optimization

    • test-prof - Ruby Tests Profiling Toolbox
    • batch-loader
    • rbspy - Sampling profiler for any Ruby process.
    • ruby-prof - A code profiler for MRI rubies.
    • stackprof - A sampling call-stack profiler for ruby 2.1+.
    • Peek - Visual status bar showing Rails performance.
    • Rbkit - profiler for Ruby. With a GUI.
    • benchmark-ips - Provides iteration per second benchmarking for Ruby.
    • bullet - Help to kill N+1 queries and unused eager loading.
    • Derailed Benchmarks - A series of things you can use to benchmark any Rack based app.
    • rack-mini-profiler - Profiler for your development and production Ruby rack apps.

  • Video

    • Video Transcoding - Tools to transcode, inspect and convert videos.
    • Streamio FFMPEG - Simple yet powerful wrapper around the ffmpeg command for reading metadata and transcoding movies.
    • VideoInfo - Get video info from Dailymotion, Vimeo, Wistia, and YouTube URLs.

  • View components

    • Phlex - A framework for building object-oriented views in Ruby.
    • Cells - View Components for Rails.
    • Komponent - An opinionated way of organizing front-end code in Rails, based on components.
    • ViewComponent - View components for Rails.

  • Analytics

    • ActiveAnalytics - First-party, privacy-focused traffic analytics for Ruby on Rails applications.
    • Ahoy - A solid foundation to track visits and events in Ruby, JavaScript, and native apps.
    • Impressionist - Rails Plugin that tracks impressions and page views.
    • Rack::Tracker - Rack middleware that can be hooked up to multiple services and exposing them in a unified fashion.
    • Legato - Model analytics reports and queries against the official Google Analytics Reporting API.
    • Staccato - Track analytics into the official Google Analytics Collection API.

  • Code Analysis and Metrics

    • Pippi - A utility for finding suboptimal Ruby class API usage, focused on runtime analysis.
    • Pronto - Quick automated code review of your changes.
    • rails_best_practices - A code metric tool for rails projects.
    • Flog - Flog reports the most tortured code in an easy to read pain report. The higher the score, the more pain the code is in.
    • Reek - Code smell detector for Ruby.
    • Rubycritic - A Ruby code quality reporter.
    • SimpleCov - Code coverage for Ruby 1.9+ with a powerful configuration library and automatic merging of coverage across test suites.
    • Sorbet - A static type checker for Ruby.
    • Suture - A Ruby gem that helps you refactor your legacy code.
    • Traceroute - A Rake task gem that helps you find the dead routes and actions for your Rails 3+ app
    • Brakeman - A static analysis security vulnerability scanner for Ruby on Rails applications.
    • Coverband - Rack middleware to help measure production code coverage.
    • Fasterer - Make your Rubies go faster with this command line tool highly inspired by fast-ruby and Sferik's talk at Baruco Conf.
    • Flay - Flay analyzes code for structural similarities. Differences in literal values, variable, class, method names, whitespace, programming style, braces vs do/end, etc are all ignored. Making this totally rad.
    • MetricFu - A fist full of code metrics.
    • Scientist - A Ruby library for carefully refactoring critical paths.

  • Configuration

    • Configus - Helps you easily manage environment specific settings.
    • dotenv - Loads environment variables from `.env`.
    • ENVied - ensure presence and type of your app's ENV-variables
    • Envyable - The simplest YAML to ENV config loader.
    • Figaro - Simple, Heroku-friendly Rails app configuration using `ENV` and a single YAML file.
    • Global - Provides accessor methods for your configuration data.
    • Chamber - Surprisingly customizable convention-based approach to managing your app's configuration.
    • Configatron - Simple and feature rich configuration system for Ruby apps.
    • RailsConfig - Multi-environment yaml settings for Rails3.
    • Sail - A lightweight Rails engine that brings an admin panel for managing configuration settings on a live Rails app.
    • AnywayConfig - Configuration library for Ruby gems and applications, supporting multiple sources (yml, secrets) and environments.

  • Core Extensions

    • Addressable - Addressable is a replacement for the URI implementation that is part of Ruby's standard library. It more closely conforms to RFC 3986, RFC 3987, and RFC 6570 (level 4), providing support for IRIs and URI templates.
    • Bitwise - Fast, memory efficient bitwise operations on large binary strings
    • Docile - A tiny library that lets you map a DSL (domain specific language) to your Ruby objects in a snap.
    • dry-rb - dry-rb is a collection of next-generation Ruby libraries, each intended to encapsulate a common task.
    • Hamster - Efficient, immutable, and thread-safe collection classes for Ruby.
    • Hanami::Utils - Lightweight, non-monkey-patch class utilities for Hanami and Ruby app.
    • Ruby Facets - The premiere collection of general purpose method extensions and standard additions for Ruby.
    • ActiveAttr - What ActiveModel left out.
    • Virtus - Attributes on Steroids for Plain Old Ruby Objects.
    • AttrExtras - Takes some boilerplate out of Ruby with methods like attr_initialize.
    • string_pattern - Generate strings supplying a simple pattern.
    • MemoWise - Memoize any instance/class/module method, including support for frozen objects - rigorously tested and benchmarked on all Rubies - fast performance of memoized reads.
    • Trick Bag - Assorted Ruby classes and methods to simplify and enhance your code.
    • Hashie - A collection of tools that extend Hashes and make them more useful.

  • Database Tools

    • Large Hadron Migrator - Online MySQL schema migrations without locking the table.
    • Strong Migrations - Catch unsafe migrations in development.
    • Upsert - Upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates functions (UDF) for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.
    • Rails DB - Database Viewer and SQL Query Runner.
    • PgHero - Postgres insights made easy.
    • connection_pool - Generic connection pooling for Ruby, that can be used with anything, e.g. Redis, Dalli, etc.
    • Database Cleaner - Database Cleaner is a set of strategies for cleaning your database in Ruby.
    • Database Consistency - An easy way to check that application constraints and database constraints are in sync.
    • Foreigner - Adds foreign key helpers to migrations and correctly dumps foreign keys to schema.rb.
    • Lol DBA - Scan your models and displays a list of columns that probably should be indexed.
    • Online Migrations - Catch unsafe PostgreSQL migrations in development and run them easier in production.
    • Polo - Creates sample database snapshots to work with real world data in development.
    • Rein - Database constraints made easy for ActiveRecord.
    • Scenic - Versioned database views for Rails.
    • SchemaPlus - SchemaPlus provides a collection of enhancements and extensions to ActiveRecord
    • SecondBase - Seamless second database integration for Rails. SecondBase provides support for Rails to manage dual databases by extending ActiveRecord tasks that create, migrate, and test your application.
    • Seedbank - Seedbank allows you to structure your Rails seed data instead of having it all dumped into one large file.
    • Seed dump - Rails 4 task to dump (parts) of your database to db/seeds.rb.
    • Seed Fu - Advanced seed data handling for Rails.
    • Standby - Read from standby databases for ActiveRecord (formerly Slavery).

  • E-Commerce and Payments

    • Active Merchant - A simple payment abstraction library extracted from Shopify.
    • Braintree - Braintree Ruby bindings.
    • ROR Ecommerce - A Rails e-commerce platform.
    • Solidus - An open source, eCommerce application for high volume retailers.
    • Spree - Spree is a complete open source e-commerce solution for Ruby on Rails.
    • SquareConnect - Square's SDK for payments and other Square APIs.
    • stripe-ruby - Stripe Ruby bindings.
    • Workarea - An extensible, high-performance eCommerce platform depended on by some of the world's top retailers.
    • Conekta - Conekta Ruby bindings.
    • Paypal Merchant SDK - Official Paypal Merchant SDK for Ruby.
    • credit_card_validations - A ruby gem for validating credit card numbers, generating valid numbers, Luhn checks.

  • Event Sourcing

    • Rails Event Store (RES) - A library for publishing, consuming, storing and retrieving events. It's your best companion for going with an event-driven architecture for your Rails application.

  • Gem Servers

    • Gemstash - A RubyGems.org cache and private gem server.
    • Gemirro - Gem to automatically make a rubygems mirror.
    • Gemfast - A drop in replacement for geminabox written in Go.
    • Gem in a box - Really simple rubygem hosting.

  • IRB

    • Clipboard - Access to the system clipboard on Linux, MacOS and Windows.
    • KatakataIrb - IRB with Kata(型 Type) completion.
    • irbtools - Improvements for Ruby's IRB.
    • Looksee - A tool for illustrating the ancestry and method lookup path of objects. Handy for exploring unfamiliar codebases.
    • Pry - A powerful alternative to the standard IRB shell for Ruby.

  • Logging

    • Logging - A flexible logging library for use in Ruby programs based on the design of Java's log4j library.
    • Lograge - An attempt to tame Rails' default policy to log everything.
    • Ougai - A structured logging system that is capable of handling a message, structured data, or an exception easily. It has JSON and human-readable formatters.
    • Scrolls - Simple logging.
    • Fluentd - Fluentd collects events from various data sources and writes them to files, database or other types of storages.
    • HttpLog - Log outgoing HTTP requests.
    • Log4r - Log4r is a comprehensive and flexible logging library for use in Ruby programs.
    • Syslogger - A drop-in replacement for the standard Logger Ruby library, that logs to the syslog instead of a log file.
    • Yell - Your Extensible Logging Library.

  • Natural Language Processing

    • Treetop - PEG (Parsing Expression Grammar) parser.
    • Awesome NLP with Ruby - Awesome List for Practical Natural Language Processing done in Ruby.
    • Parslet - A small Ruby library for constructing parsers in the PEG (Parsing Expression Grammar) fashion.
    • pocketsphinx-ruby - Ruby speech recognition with Pocketsphinx.
    • Ruby Natural Language Processing Resources - Collection of links to Ruby Natural Language Processing (NLP) libraries, tools and software.
    • Sentimental - Simple sentiment analysis with Ruby.
    • Text - A collection of text algorithms including Levenshtein distance, Metaphone, Soundex 2, Porter stemming & White similarity.
    • Pragmatic Segmenter - Pragmatic Segmenter is a rule-based sentence boundary detection gem that works out-of-the-box across many languages.
    • ruby-spellchecker - English spelling and grammar checker that can be used for autocorrection.
    • Textstat - Ruby gem for text readability analysis. Calculate readability statistics using 13 proven formulas (Flesch, SMOG, Coleman-Liau, etc.) with support for 22 languages.
    • Treat - Treat is a toolkit for natural language processing and computational linguistics in Ruby.
    • Words Counted - A highly customisable Ruby text analyser and word counter.

  • Package Management

    • fpm - Effing package management! Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity.
    • Homebrew - The missing package manager for OS X.
    • Homebrew-cask - A CLI workflow for the administration of Mac applications distributed as binaries.
    • Berkshelf - A Chef Cookbook manager.
    • CocoaPods - The Objective-C dependency manager.
    • Linuxbrew - A fork of Homebrew for Linux.

  • Rails Application Generators

    • Bootstrappers - Bootstrappers generates a base Rails app using Bootstrap template and other goodies.
    • Hobo - The web app builder for Rails.
    • orats - Opinionated rails application templates.
    • Rails Composer - The Rails generator on steroids for starter apps.
    • Raygun - Builds applications with the common customization stuff already done.
    • Suspenders - Suspenders is the base Rails application used at thoughtbot.

  • State Machines

    • MicroMachine - A minimal finite state machine implementation in less than 50 lines of code.
    • state_machines - Adds support for creating state machines for attributes on any Ruby class.
    • transitions - A ruby state machine implementation.
    • Workflow - A finite-state-machine-inspired API for modeling and interacting with what we tend to refer to as 'workflow'.
    • Statesman - A statesmanlike state machine library.
    • AASM - State machines for Ruby classes (plain Ruby, Rails Active Record, Mongoid).
    • simple_states - A super-slim statemachine-like support library.
    • FiniteMachine - A plain Ruby state machine with a straightforward and expressive syntax.

  • Admin Interface

    • ActiveScaffold - ActiveScaffold provides quick and powerful user interfaces for CRUD (create, read, update, delete) operations for Rails applications. It's excellent for generating admin interfaces, managing Data-Heavy Applications, creating Widgets or for quick prototyping. ActiveScaffold is completly customizable and offers a bunch of additional features including searching, pagination, layout control and overrides of fields, forms and templates.
    • Administrate - A Rails engine that helps you put together a super-flexible admin dashboard, by Thoughtbot.
    • Avo Admin for Rails - Avo is the modern approach to building an advanced admin panel that can be used by the entire organization. It has all the tools an admin panel needs and more. We have carefully made sure that you have all the escape hatches you need to ensure you can build your next admin panel for Ruby on Rails incredibly fast and easily.
    • Madmin - A robust Admin Interface for Ruby on Rails apps
    • MotorAdmin - A low-code Admin panel and Business Intelligence Rails engine. No DSL - configurable from the UI.
    • RailsAdmin - A Rails engine that provides an easy-to-use interface for managing your data.
    • Trestle - A modern, responsive admin framework for Rails. Build a back-end in minutes that will grow with the needs of your application.
    • Hot Glue - Hot Glue takes a different approach to building both admin and user dashboards. It is a code generation tool like the Rails scaffold generator but with significantly more features. Instead of providing a lot of configuration options, Hot Glue can generate your code. Good for lists & CRUD views for both admin and user-facing dashboards.

  • Breadcrumbs

    • Breadcrumbs on Rails - A simple Ruby on Rails plugin for creating and managing a breadcrumb navigation for a Rails project.
    • loaf - Manages and displays breadcrumb trails in Rails app - lean & mean.
    • Gretel - A Ruby on Rails plugin that makes it easy yet flexible to create breadcrumbs.
    • Simple Navigation - A ruby gem for creating navigation (html list, link list or breadcrumbs with multiple levels) for your Rails 2, 3 & 4, Sinatra or Padrino.

  • Business logic

    • ActiveInteraction - Manage application specific business logic.
    • Light Service - Series of Actions with an emphasis on simplicity.
    • Mutations - Compose your business logic into commands that sanitize and validate input.
    • Surrounded - Encapsulated related objects in a single system to add behavior during runtime. Extensible implementation of DCI.
    • wisper - A micro library providing Ruby objects with Publish-Subscribe capabilities.
    • Interactor - Interactor provides a common interface for performing complex interactions in a single request.
    • Waterfall - A slice of functional programming to chain ruby services and blocks, thus providing a new approach to flow control.

  • Captchas and anti-spam

    • Invisible Captcha - Unobtrusive and flexible spam protection based on the honeypot strategy. It also provides a time-sensitive form submission.
    • Rakismet - Easy Akismet and TypePad AntiSpam integration for Rails.
    • Voight-Kampff - A Ruby gem that detects bots, spiders, crawlers and replicants.
    • ActsAsTextcaptcha - Protection for Rails models with text-based logic question captchas (from Rob Tuley's textcaptcha.com)
    • reCAPTCHA - reCaptcha API helpers for ruby apps.

  • Code Highlighting

    • CodeRay - Fast and easy syntax highlighting for selected languages.

  • Code Loaders

    • Zeitwerk - An efficient and thread-safe Ruby code loader.

  • CRM

    • Hitobito - An open source Ruby on Rails based community management solution.
    • Fat Free CRM - An open source Ruby on Rails based customer relationship management platform.

  • Date and Time Processing

    • Chronic - A natural language date/time parser written in pure Ruby.
    • montrose - a simple library for expressing, serializing, and enumerating recurring events in Ruby.
    • Jekyll-Timeago - A Ruby library to compute distance of dates in words, with localization support, alternative styles, CLI and Jekyll support.
    • local_time - Rails Engine for cache-friendly, client-side local time.
    • stamp - Format dates and times based on human-friendly examples, not arcane strftime directives.
    • time_diff - Calculates the difference between two time.
    • working_hours - A modern ruby gem allowing to do time calculation with working hours.
    • yymmdd - Tiny DSL for idiomatic date parsing and formatting.
    • TZinfo - Provides daylight savings aware transformations between times in different timezones.
    • biz - Time calculations using business hours.
    • business_time - Support for doing time math in business hours and days.
    • ByStar - Find ActiveRecord objects by year, month, fortnight, week and more!
    • date_range_formatter - The simple tool to make work with date ranges in Ruby more enjoyable.
    • groupdate - The simplest way to group temporal data in ActiveRecord, arrays and hashes.
    • holidays - A collection of Ruby methods to deal with statutory and other holidays.
    • ice_cube - A date recurrence library which allows easy creation of recurrence rules and fast querying.
    • timezone - Accurate current and historical timezones and transformations, with support for Geonames and Google latitude - longitude timezone lookups.
    • validates_timeliness - Date and time validation plugin for ActiveModel and Rails.

  • DevOps Tools

    • Puppet - An automated administrative engine for your Linux, Unix, and Windows systems, performs administrative tasks (such as adding users, installing packages, and updating server configurations) based on a centralized specification.
    • Rubber - The rubber plugin enables relatively complex multi-instance deployments of RubyOnRails applications to Amazon's Elastic Compute Cloud (EC2).
    • BOSH - Cloud Foundry BOSH is an open source tool chain for release engineering, deployment and lifecycle management of large scale distributed services.
    • Centurion - A mass deployment tool for Docker fleets.
    • Chef - A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.
    • Itamae - Simple and lightweight configuration management tool inspired by Chef.
    • Kanrisuru - Manage remote infrastructure in Ruby
    • Logstash - Logs/event transport, processing, management, search.
    • Kamal - Kamal offers zero-downtime deploys, rolling restarts, asset bridging, remote builds, accessory service management, and everything else you need to deploy and manage your web app in production with Docker.
    • Backup - Provides an elegant DSL in Ruby for performing backups on UNIX-like systems.
    • Mina - Really fast deployer and server automation tool.
    • SSHKey - SSH private and public key generator in pure Ruby (RSA & DSA).
    • Sunzi - Server provisioning utility for minimalists
    • Ruby-LXC - Native ruby binding for Linux containers.

  • Environment Management

    • fry - Simple ruby version manager for fish.
    • rbenv - Use rbenv to pick a Ruby version for your application and guarantee that your development environment matches production.
    • Tokaido - Ruby, Rails, SQLite and Redis encapsulated in a single drag-and-drop OS X app, designed to make installing a working RoR environment easy for beginners.
    • ruby-build - Compile and install Ruby.
    • chruby - Change your current Ruby. No shims, no crazy options or features, ~90 LOC.
    • gem_home - A tool for changing your $GEM_HOME.
    • ruby-install - Installs Ruby, JRuby, Rubinius, MagLev or MRuby.

  • Form Builder

    • Formtastic - A Rails form builder plugin with semantically rich and accessible markup.
    • Rapidfire - Making dynamic surveys should be easy!
    • Cocoon - Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms.
    • Simple Form - Rails forms made easy.
    • Rails Bootstrap Forms - Rails form builder that makes it super easy to create beautiful-looking forms with Twitter Bootstrap 3+.
    • ComfyBootstrapForm - Rails form builder that makes it easy to create forms with Bootstrap 4 markup
    • Reform - Gives you a form object with validations and nested setup of models. It is completely framework-agnostic and doesn't care about your database.

  • Networking

    • PacketFu - A library for reading and writing packets to an interface or to a libpcap-formatted file.
    • RubyDNS - A high-performance DNS server which can be easily integrated into other projects or used as a stand-alone daemon.
    • Dnsruby - A pure Ruby DNS client library which implements a stub resolver. It aims to comply with all DNS RFCs.

  • Notifications

    • Noticed - ActionMailer-like Notification System for your Ruby on Rails app.
    • Ruby Push Notifications - iOS, Android and Windows Phone Push notifications made easy.
    • Rpush - The push notification service for Ruby which supports Apple Push Notification Service, Google Cloud Messaging, Amazon Device Messaging and Windows Phone Push Notification Service.
    • webpush - Encryption Utilities for Web Push protocol.

  • Processes

    • posix-spawn - Fast Process::spawn for Rubys >= 1.8.7 based on the posix_spawn() system interfaces.
    • childprocess - Cross-platform ruby library for managing child processes.

  • Queues and Messaging

    • Lowkiq - Ordered processing of background jobs for cases where Sidekiq can't help.
    • March Hare - Idiomatic, fast and well-maintained JRuby client for RabbitMQ.
    • Resque - A Redis-backed Ruby library for creating background jobs.
    • Shoryuken - A super efficient AWS SQS thread based message processor for Ruby.
    • Sneakers - A fast background processing framework for Ruby and RabbitMQ.
    • Backburner - Backburner is a beanstalkd-powered job queue that can handle a very high volume of jobs.
    • Bunny - Bunny is a popular, easy to use, well-maintained Ruby client for RabbitMQ (3.3+).
    • Delayed::Job - Database backed asynchronous priority queue.
    • JobIteration - An ActiveJob extension to make long-running jobs interruptible and resumable.
    • Karafka - Framework used to simplify Apache Kafka (a distributed streaming platform) based Ruby applications development.
    • GoodJob - GoodJob is a multithreaded, Postgres-based, ActiveJob backend for Ruby on Rails.
    • Gush - A parallel runner for complex workflows using only Redis and Sidekiq.
    • Que - A Ruby job queue that uses PostgreSQL's advisory locks for speed and reliability.
    • SidekiqIteration - A Sidekiq extension to make long-running jobs interruptible and resumable.
    • Sucker Punch - A single process background processing library using Celluloid. Aimed to be Sidekiq's little brother.

  • Robotics

    • Arli - Arli is the CLI tool for searching, installing, and packaging Arduino libraries with a project using a YAML-based Arlifile. It's a "Bundler for Arduino Development".
    • Artoo - Next generation robotics framework with support for different platforms: Arduino, Leap Motion, Pebble, Raspberry Pi, etc.

  • Serverless

    • Jets - A Ruby Serverless Framework to create and deploy serverless microservices with ease, and to seamlessly glue AWS services.
    • Mongoid Search - Simple full text search implementation for Mongoid.
    • ransack - Object-based searching.
    • has_scope - Has scope allows you to easily create controller filters based on your resources named scopes.
    • pg_search - Builds ActiveRecord named scopes that take advantage of PostgreSQL's full text search.
    • scoped_search - Adds a scope supporting search queries and autocompletion against existing fields on ActiveRecord models and associations.
    • SearchCop - Extends your ActiveRecord models to support fulltext search engine like queries via simple query strings and hash-based queries.
    • Searchkick - Searchkick learns what your users are looking for. As more people search, it gets smarter and the results get better. It’s friendly for developers - and magical for your users.
    • Sunspot - A Ruby library for expressive, powerful interaction with the Solr search engine.
    • textacular - Exposes full text search capabilities from PostgreSQL, and allows you to declare full text indexes. Textacular extends ActiveRecord with named_scope methods making searching easy and fun!
    • Thinking Sphinx - A library for connecting ActiveRecord to the Sphinx full-text search tool.
    • typesense-ruby - Ruby client for Typesense, a fast, typo-tolerant search engine.
    • elastics - Simple ElasticSearch client with support for migrations and ActiveRecord integration.
    • Rroonga - The Ruby bindings of Groonga.
    • chewy - High-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client.
    • elasticsearch-ruby - Ruby integrations for Elasticsearch.

  • Data Processing and ETL

    • attr-gather - A gem for creating workflows that "enhance" entities with extra attributes. At a high level, attr-gather provides a process to fetch information from many data sources (such as third party APIs, legacy databases, etc.) in a fully parallelized fashion.
    • json-streamer - Stream JSON data based on various criteria (key, nesting level, etc).
    • Multiwoven - The open-source reverse ETL, data activation platform developed using Ruby and Ruby on Rails.
    • ruby-stemmer - It Provides Snowball algorithm for stemming purposes.
    • CSV Reader - A modern tabular data (line-by-line records) reader supports "classic" CSV but also CSV Numerics, `CSV <3 JSON`, `CSV <3 YAML`, tab, space or fixed width fields (FWF) and many more flavors and dialects.

  • Database Drivers

    • mysql2 - A modern, simple and very fast Mysql library for Ruby (binding to libmysql).
    • Neography - A thin Ruby wrapper to the Neo4j Rest API.
    • Redic - Lightweight Redis Client.
    • redis-rb - A Ruby client that tries to match Redis' API one-to-one, while still providing an idiomatic interface.
    • ruby-pg - Ruby interface to PostgreSQL 8.3 and later.
    • SQLite3 - Ruby bindings for the SQLite3 embedded database.
    • SQL Server - The SQL Server adapter for ActiveRecord.
    • TinyTDS - FreeTDS bindings for Ruby using DB-Library.
    • Cassandra Driver - A pure ruby driver for Apache Cassandra with asynchronous io and configurable load balancing, reconnection and retry policies.
    • mongo-ruby-driver - MongoDB Ruby driver.
    • Trilogy - A performance-oriented C library for MySQL-compatible databases.

  • Discover

    • Ruby Bookmarks - Ruby and Ruby on Rails bookmarks collection.
    • Ruby Land - A well maintained Ruby/Rails aggregator that contains news, opinions, tutorials, and more.
    • GitHub Trending - Find what repositories the GitHub community is most excited about today.

  • File System Listener

    • Guard - A command line tool to easily handle events on file system modifications.
    • Guard::LiveReload - Automatically reload your browser when 'view' files are modified.
    • Listen - The Listen gem listens to file modifications and notifies you about the changes.
    • Rerun - Restarts an app when the filesystem changes. Uses growl and FSEventStream if on OS X.
    • Retest - A simple CLI to watch file changes and run their matching Ruby specs. Works on any ruby projects with no setup.

  • GUI

    • FXRuby - A Ruby library that provides an interface to the FOX GUI toolkit.
    • qtbindings - Allows the QT Gui toolkit to be used from Ruby.
    • Ruby-GNOME - Ruby language bindings for the GNOME development environment.
    • Shoes - Shoes makes building little graphical programs for Mac, Windows, and Linux super simple.
    • Glimmer - Ruby DSL for SWT

  • HTTP Clients and tools

    • Accept Language - A tiny library for parsing the `Accept-Language` header from browsers (as defined in 🌎 [RFC 2616](datatracker.ietf.org/doc/html/rfc2616#section-14.4)).
    • excon - Usable, fast, simple Ruby HTTP 1.1. It works great as a general HTTP(s) client and is particularly well suited to usage in API clients.
    • Sawyer - Secret user agent of HTTP, built on top of Faraday.
    • Sniffer
    • Typhoeus - Typhoeus wraps libcurl in order to make fast and reliable requests.
    • Rack::Cors - Cross-Origin Resource Sharing (CORS) middleware for Rack applications.
    • HTTP - The HTTP Gem: a simple Ruby DSL for making HTTP requests.
    • httparty - Makes http fun again!
    • Http-2 - Pure Ruby implementation of HTTP/2 protocol
    • Patron - Patron is a Ruby HTTP client library based on libcurl.
    • RESTClient - Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions.
    • Savon - Savon is a SOAP client for the Ruby programming language.
    • Faraday - an HTTP client lib that provides a common interface over many adapters (such as Net::HTTP) and embraces the concept of Rack middleware when processing the request/response cycle.
    • Device Detector - A precise and fast user agent parser and device detector, backed by the largest and most up-to-date user agent database.
    • Http Client - Gives something like the functionality of libwww-perl (LWP) in Ruby.

  • Implementations/Compilers

    • Rubinius - An implementation of the Ruby programming language. Rubinius includes a bytecode virtual machine, Ruby syntax parser, bytecode compiler, generational garbage collector, just-in-time (JIT) native machine code compiler, and Ruby Core and Standard libraries.
    • TruffleRuby - A high performance implementation of the Ruby programming language. Built on the GraalVM by Oracle Labs.
    • JRuby - A Java implementation of the Ruby language.
    • MRuby - Lightweight Ruby. Can be linked and embedded in your application.
    • Natalie - Natalie is a Ruby compiler that provides an ahead-of-time compiler using C++ and gcc/clang as the backend.
    • Opal - Ruby to Javascript compiler.

  • Mobile Development

    • fastlane - Connect all iOS deployment tools into one streamlined workflow.
    • PubNub - Real-time Push Service in the Cloud.
    • Ruboto - A platform for developing full stand-alone apps for Android using the Ruby language and libraries.
    • RubyMotion - A revolutionary toolchain that lets you quickly develop and test full-fledged native iOS and OS X applications for iPhone, iPad, Mac and Android.
    • dryrun - Try any Android library on your smartphone directly from the command line.

  • Money

    • eu_central_bank - A gem that calculates the exchange rate using published rates from European Central Bank.
    • Monetize - A library for converting various objects into Money objects.
    • Money - A Ruby Library for dealing with money and currency conversion.

  • QR

    • RQRCode - RQRCode is a library for creating and rendering QR codes into various formats.

  • Social Networking

    • Decidim - free open-source participatory democracy for cities and organizations
    • diaspora* - A privacy aware, distributed, open source social network.
    • Discourse - A platform for community discussion. Free, open, simple.
    • Mailboxer - A private message system for Rails applications.
    • Mastodon - A GNU Social-compatible microblogging server.
    • Retrospring - A social network following the Q/A (question and answer) principle.
    • Social Shares - A gem to check how many times url was shared in social networks.
    • Thredded - Rails 4.2+ forums/messageboards engine. Its goal is to be as simple and feature rich as possible.

  • Assets

    • Asset Sync - Synchronises Assets between Rails and S3.
    • Torba - Bower-less bundler for Sprockets.
    • Vite Ruby - Use Vite.js as a modern assets pipeline in Ruby and Rails apps.
    • Autoprefixer - Parse CSS and add vendor prefixes to rules by Can I Use.
    • Bourbon - A Lightweight Sass Tool Set.
    • bower-rails - Bower support for Rails projects.
    • Emoji - Exposes the Phantom Open Emoji library unicode/image assets and APIs for working with them.
    • Less Rails - The dynamic stylesheet language for the Rails asset pipeline.
    • Shakapacker - Use Webpack to manage app-like JavaScript modules in Rails. (Official and actively maintained successor to rails/webpacker)
    • Sprockets - Rack-based asset packaging system.

  • Country Data

    • validates_zipcode - Postal code / zipcode validation for Rails, supporting 233 country codes.
    • Carmen - A repository of geographic regions.
    • Countries - All sorts of useful information about every country packaged as pretty little country objects.
    • i18n_data - country/language names and 2-letter-code pairs, in 85 languages, for country/language i18n.
    • normalize_country - Convert country names and codes to a standard, includes a conversion program for XMLs, CSVs and DBs.
    • Phonelib - Ruby gem for phone validation and formatting using Google libphonenumber library data.
    • Phony - Fast international phone number (E164 standard) normalizing, splitting and formatting.

  • Geolocation

    • Geocoder - A complete geocoding solution for Ruby. With Rails it adds geocoding (by street or IP address), reverse geocoding (find street address based on given coordinates), and distance queries.
    • geoip - Searches a GeoIP database for a given host or IP address, and returns information about the country where the IP address is allocated, and the city, ISP and other information.
    • Geokit - Geokit gem provides geocoding and distance/heading calculations.
    • Google Maps for Rails - Enables easy Google map + overlays creation in Ruby apps.
    • IP2Location.io - A Ruby SDK allows user to query for an enriched data set based on IP address and provides WHOIS lookup api that helps users to obtain domain information.
    • rgeo - Geospatial data library. Spatial data types, geometric and spherical calculations, and WKT/WKB serialization.

  • Image Processing

    • FastImage - FastImage finds the size or type of an image given its uri by fetching as little as needed.
    • ImageProcessing - High-level image processing wrapper for libvips and ImageMagick/GraphicsMagick
    • Skeptick - Skeptick is an all-purpose DSL for building and running ImageMagick commands.
    • MiniMagick - A ruby wrapper for ImageMagick or GraphicsMagick command line.
    • Phasion - Ruby wrapper around pHash, the perceptual hash library for detecting duplicate multimedia files.
    • PSD.rb - Parse Photoshop files in Ruby with ease.
    • RMagick - RMagick is an interface between Ruby and ImageMagick.
    • ruby-vips - A binding for the libvips image processing library.

  • Markdown Processors

    • kramdown - Kramdown is yet-another-markdown-parser but fast, pure Ruby, using a strict syntax definition and supporting several common extensions.
    • Maruku - A pure-Ruby Markdown-superset interpreter.
    • Redcarpet - A fast, safe and extensible Markdown to (X)HTML parser.
    • word-to-markdown - Gem to convert Microsoft Word documents to Markdown.
    • ZMediumToMarkdown - A powerful tool that allows you to effortlessly download and convert your Medium posts to Markdown format.
    • markdown_helper - A markdown pre-processor implementing file inclusion and page TOC (table of contents).

  • Measurements

    • Measured - Wrapper objects which encapsulate measurements and their associated units in Ruby.
    • Ruby Units - Provides classes and methods to perform unit math and conversions.

  • Spreadsheets and Documents

    • CAXLSX - A community maintained excel xlsx generation library. <b><code>&nbsp;&nbsp;2623⭐</code></b> <b><code>&nbsp;&nbsp;&nbsp;687🍴</code></b> [AXLSX](https://github.com/randym/axlsx)) - The original.
    • Docsplit - Gem to convert Microsoft Word (and other) documents into images, pdf, pages or text.
    • Roo - Implements read access for all spreadsheet types and read/write access for Google spreadsheets.
    • spreadsheet_architect - Spreadsheet Architect is a library that allows you to create XLSX, ODS, or CSV spreadsheets super easily from ActiveRecord relations, plain Ruby objects, or tabular data.

  • Services and Apps

    • OctoLinker - Navigate through projects on GitHub.com efficiently with the OctoLinker browser extension.

  • View helpers

    • PluggableJs - Page-specific javascript for Rails applications with the ability of passing data from a controller.
    • Bh - Bootstrap Helpers for Ruby.
    • active_link_to - View helper to manage "active" state of a link.
    • auto_html - Rails extension for transforming URLs to appropriate resource (image, link, YouTube, Vimeo video...).
    • gon - If you need to send some data to your js files and you don't want to do this with long way through views and parsing - use gon.

  • Gem Generators

    • Hoe - Hoe is a Rake/RubyGems helper for project Rakefiles.
    • Gemsmith - A command line interface for smithing new Ruby gems.

  • Boilerplates & UI Kits

    • Speedrail - A free Rails 8 app template: Devise auth, Stripe billing, Tailwind CSS, admin panel, SEO helpers, etc.
    • Wheel - Rails application template to build Rails applications faster.

  • Concurrency and Parallelism

    • Concurrent Ruby - Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.
    • EventMachine - An event-driven I/O and lightweight concurrency library for Ruby.
    • forkoff - brain-dead simple parallel processing for ruby.
    • 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.
    • Polyphony - Fine-grained concurrency for Ruby.

  • Cryptocurrencies and Blockchains

    • Ciri - Ruby implementation of Ethereum.
    • MoneyTree - A Ruby implementation of Bitcoin HD Wallets (Hierarchical Deterministic) BIP32.
    • Peatio - Most Advanced Cryptocurrency open-source assets exchange.

  • Game Development and Graphics

    • Taylor - Taylor is a game engine built using mruby and raylib.
    • Mittsu - Mittsu makes 3D graphics easier by providing an abstraction over OpenGL, and is based heavily off of THREE.js.
    • Ruby 2D - Create cross-platform 2D applications, games, and visualizations with ease.

  • Static Site Generation

    • Bridgetown - A Webpack-aware, Ruby-powered static site generator for the modern Jamstack era.
    • High Voltage - Easily include static pages in your Rails app.
    • Awesome Jekyll - A collection of awesome Jekyll tools, plugins, themes, guides and much more.
    • Photish - Generate a highly configurable static website from a photo collection.

  • Diff

    • Diffy - Easy Diffing With Ruby.
    • gemdiff - Find source repositories for gems. Open, compare, and update outdated gem versions.
    • JsonCompare - Returns the difference between two JSON files.

  • Presentation Programs

    • Slide Show (S9) - Write your slides / talks / presentations in plain text with markdown formatting conventions and generate (static) web pages; template packs incl. deck.js, impress.js, reveal.js, shower, s6, s5 and more.
Programming Languages
Ruby 660 C 22 JavaScript 8 C++ 6 Shell 5 HTML 3 Go 1 Jupyter Notebook 1 Rust 1 Python 1
Categories
Testing 46 ORM/ODM Extensions 42 Third-party APIs 31 Scientific 24 API Builder and Discovery 21 Database Tools 20 Date and Time Processing 18 Code Analysis and Metrics 16 Search 15 Queues and Messaging 15 HTTP Clients and tools 15 Core Extensions 14 CLI Utilities 14 DevOps Tools 14 Email 13 Documentation 12 CLI Builder 12 Natural Language Processing 12 Machine Learning 12 Authentication and OAuth 12 Profiler and Optimization 11 E-Commerce and Payments 11 Configuration 11 Database Drivers 11 Security 10 PDF 10 Assets 10 Internationalization 10 ORM/ODM 10 Caching 9 Logging 9 Error Handling 9 Image Processing 8 State Machines 8 Admin Interface 8 Social Networking 8 Git Tools 8 Scheduling 8 Authorization 8 Web Crawling 7 Business logic 7 File Upload 7 Form Builder 7 Country Data 7 Environment Management 7 Process Management and Monitoring 7 Web Servers 7 Rails Application Generators 6 CMS 6 Coding Style Guides 6 Analytics 6 Data Visualization 6 Package Management 6 Template Engine 6 Markdown Processors 6 Optimizations 6 Implementations/Compilers 6 Geolocation 6 Debugging Tools 6 Web Frameworks 6 Feature Flippers and A/B Testing 6 Automation 5 Performance Monitoring 5 Code Formatting 5 File System Listener 5 Mobile Development 5 GUI 5 Captchas and anti-spam 5 Data Processing and ETL 5 Concurrency and Parallelism 5 HTML/XML Parsing 5 IRB 5 RSS 5 Pagination 5 View helpers 5 WebSocket 4 Breadcrumbs 4 View components 4 Spreadsheets and Documents 4 GraphQL 4 Static Site Generation 4 Ebook 4 Gem Servers 4 Encryption 4 Decorators 4 Notifications 4 SEO 4 Cryptocurrencies and Blockchains 3 Networking 3 Music and Sound 3 Cloud 3 Game Development and Graphics 3 Diff 3 Money 3 Video 3 Discover 3 Dashboards 2 CRM 2 Robotics 2 Measurements 2 Gem Generators 2 Boilerplates & UI Kits 2 Processes 2 QR 1 Presentation Programs 1 Serverless 1 Code Highlighting 1 Event Sourcing 1 Source 1 Code Loaders 1 Services and Apps 1
Sub Categories
Keywords
ruby 293 rails 112 activerecord 32 gem 20 ruby-on-rails 18 api 14 ruby-gem 12 rack 11 rubygems 11 redis 10 database 10 http 10 machine-learning 9 rubyml 9 sinatra 9 security 9 rspec 9 postgresql 9 performance 8 testing 8 json 7 authentication 7 cli 7 jruby 7 automation 7 scheduler 7 terminal 7 server 6 dsl 6 error-monitoring 6 sql 6 elasticsearch 6 rubygem 6 authorization 6 security-tools 5 sidekiq 5 static-analysis 5 pdf 5 graphql 5 c 5 background-jobs 5 analytics 5 markdown 5 web 5 rails-engine 5 search 5 command-line 4 workflow 4 mysql 4 ecommerce 4