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Featured categories
Working with Twitter10,189Rubyomniauth, twitter and 9 more »Access Twitter with a dedicated API client, or authenticate users via oAuth.
User Authentication16,437Rubydevise, omniauth and 5 more »Allow users to authenticate with your app by providing them with dedicated user
accounts. Authenticate with email and password or via Facebook or Twitter oAuth.
Working with Facebook5,705Rubyomniauth, koala »Gems and links that help with reading from and writing to Facebook.
A/B Testing3,019Rubyabba, split and 5 more »Track what matters, and optimize your conversion rates. Get insight into what
matters most in your sales funnel, and make more money with your existing
service or product.
API Builders9,947Rubygrape, rails-api and 11 more »Develop APIs with nice and consistent APIs. Your user's will love you.
API Caching and throttling637Rubyrack-attack, cachebar and 1 more »Optimize your API's performance and behavior.
API Versioning1,179Rubyrocket_pants, versionist and 3 more »Versioning your APIs can help keep consistency while moving at a fast pace.
Don't screw your API consumers.
API: Clients for popular services1,378Rubylinkedin, gmail and 2 more »Great Ruby wrappers for APIs of popular web services. Interface with Facebook,
Twitter, and more.
API: Create Ruby API Clients1,215Rubynestful, weary and 2 more »Build an API client for your favorite web service.
API: Great API examples570Rubybcx-api, api-documentation »Docs of great APIs to reference when building your own implementations.
ActionMailer: Email Previews3,254Rubyletter_opener, mailcatcher and 3 more »Preview emails easily in development instead of sending them. Test the visual
design of your emails.
ActiveModel: Custom Validations1,875Rubyvalidates_timeliness, activevalidators and 25 more »Validate email, social profiles, urls, dates or post addresses and much more.
ActiveModel: Tableless models1,676Rubyvirtus, active_attr »Not all of your models need to be persisted. These gems help you to make model
objects behave like ActiveModel objects, though.
ActiveRecord: Caching627Rubyidentity_cache, record-cache »Specify how you want to cache your model objects, at the model level, and adds a
number of convenience methods for accessing those objects through the cache.
ActiveRecord: Comments1,150Rubyjuvia, acts_as_commentable_with_threading and 1 more »Enable comments for your posts.
ActiveRecord: Data Migrations418Rubylarge-hadron-migrator, data_migrator »Migrate data schemas between different formats, including some schema
versioning.
ActiveRecord: Database Sharding1,454Rubyoctopus, db-charmer and 2 more »Distribute data across multiple databases.
ActiveRecord: Flags240Rubyflag_shih_tzu »Flag implementations apart from a range of boolean fields on your model.
ActiveRecord: Miscellaneous1,423Rubyactive_scaffold, upsert and 2 more »Various ActiveRecord extensions.
ActiveRecord: Multitenant Apps597Rubyacts_as_tenant, apartment and 2 more »Various approaches for separating data for different customers of yours.
ActiveRecord: Named scopes7,161Rubysqueel, searchlogic and 10 more »With scopes you can make your database queries more precise. Named scopes help
you reuse these helpers.
ActiveRecord: Nesting records4,725Rubyancestry, nested_form and 9 more »Easily and efficiently make your ActiveRecord model support hierarchies.
ActiveRecord: Normalize attributes430Rubyattribute_normalizer, strip_attributes and 1 more »Sanitize user input before saving it to the database. Strip whitespace, html
tags and more.
ActiveRecord: Rating / Liking / Voting3,029Rubyactiverecord-reputation-system, recommendable and 10 more »Tag, rate, vote or like records, and build social networks around these data
points.
ActiveRecord: Schema annotations1,323Rubyannotate_models, railroady »Annotate ActiveRecord models with table schema data.
ActiveRecord: Serialized attributes671Rubyactiverecord-postgres-hstore, store_configurable and 1 more »Store hashes and more in Postgres and other SQL datastores.
ActiveRecord: Soft Destroying738Rubyrails3_acts_as_paranoid, paranoia and 6 more »Mark records as destroyed instead of actually removing them. Recover them later
on.
ActiveRecord: Sortable lists1,388Rubydatagrid, acts_as_list and 3 more »Persist the positioning of your records in a certain order. Includes view
helpers for displaying sortable lists and tables, and drag-and-drop GUIs for
positioning the records.
ActiveRecord: Versioning and auditing3,554Rubypaper_trail, audited and 4 more »Track changes to your models' data. Audit updates and keep a history of
revisions.
Admin Interfaces for Rails10,694Rubyactive_admin, rails_admin and 10 more »Ready-made administration interfaces with authentication logics and nice DSLs
for your Rails apps.
Advanced Querying with ActiveRecord5,082Rubysqueel, searchlogic and 6 more »Retrieve data from complex queries, built easily.
Airplay429Rubyairplay, airplayer and 1 more »Stream music and videos to Apple Airplay compatible devices from Ruby.
App Servers9,880Rubypuma, goliath and 9 more »Web application servers than run your deployed code efficiently. Can increase
throughput on any platform.
Application Configuration Variables1,156Rubyfigaro, configatron and 4 more »Configure your app with environment variables and more. Keep sensitive data out
of your version control system.
Apps: Chat Servers2,844Webkandan, Balloons.IO and 1 more »Complete team chat apps for self-hosting and code review.
Apps: Miscellaneous1,685Rubypomodoro, bucketwise and 4 more »Various open-source apps for the web or the command line, such as a Pomodoro
time manager.
Assets6,412Rubycsscss, helium-css and 3 more »Optimize stylesheets and javascript files before sending them to the browser by
removing whitespace and more.
Autolinking and Embedding Content1,566Rubyauto_html, twitter-text-rb and 4 more »Auto-extract and link urls from user inputs or tweet bodys.
Automating Web Interaction1,748Rubymechanize, watir-webdriver »Automatically visit websites, click links, fill out and submit forms.
Background Jobs12,447Rubyresque, sidekiq and 8 more »Scale your web app by transferring long-running tasks from the web processes to
dedicated background workers.
Business Advice60WebDraftLearningToWalk »Various bits of good business writing by and for developers from around the web.
Child processes500Rubychildprocess, posix-spawn and 1 more »Managing child processes made comfortable.
Cient-side Form Validations1,815Rubyclient_side_validations, client_side_validations-simple_form and 1 more »Pre-validate user input in the browser. Enable a great user experience.
Code quality metrics6,709Rubyrails_best_practices, simplecov and 9 more »Get stats for your code. Where can you improve?
Command line: Customize your terminal10,820Weboh-my-zsh, dotfiles »Customize your terminal and speed up common operations with shortcuts and more.
Concurrency5,636Rubycelluloid, eventmachine and 4 more »Create highly-concurrent gems and programs in Ruby. Base for great and speedy
open-source projects.
Continuous integration servers5,954RubyDrafttravis-ci, janky and 4 more »Distributed build systems and CI servers.
Countries246Rubycountries, iso_country_codes and 1 more »Select countries in Rails, get a lot of info and formatting help with country
data. Includes infos on phone numbers, currencies, postal addresses and more.
Create PDF documents6,833Rubyprawn, pdfkit and 11 more »Want to print some PDFs in Ruby? Here are your options.
Edit in Place5,547Javascript, RubyDraftx-editable, mercury and 5 more »Edit content in place in a what-you-see-is-what-you-get style.
Fabricate Fake Data1,226Rubyfaker, ffaker and 1 more »Generate large amounts of fake data e.g. for testing purposes.
File Uploads11,526Rubypaperclip, carrierwave and 13 more »Uploading files and attaching them to models can be a hassle. These projects
save your day. Send uploads to your server or directly to a storage providers
such as Amazon's S3. Track attachments to your models.
Form Builders for Rails10,307Rubyformtastic, simple_form and 11 more »Generate complex forms with readable markup. These form builders help you manage
nested associations and more.
Form Builders for Rails and Twitter Bootstrap998RubyDrafttwitter_bootstrap_form_for, formtastic-bootstrap and 1 more »Form builders that help generate markup that can be quickly styled with Twitter
Bootstrap.
Forum Engines8,296Rubydiscourse, forem and 2 more »Forum engines that work standalone or could be included into a Rails app.
Building blocks for social networking capabilities of your app.
Fragment Caching743Rubycache_digests, multi_fetch_fragments »Easily cache rendered view fragments to speed up your application.
Frameworks: Scripting & Command Line Applications4,382Ruby, JavascriptDraftthor, sub and 7 more »Build command line applications, and manage repetitive tasks with style.
Friendly Ids in ActiveRecord630RubyDraftstringex, find_by_param and 2 more »Point users to nice urls, e.g. 'mysite.com/posts/this-is-my-first-blog-post'
instead of 'mysite.com/posts/1'.
Friendships2,543Rubycommunityengine, activerecord-reputation-system and 4 more »Build social networks, with friendships, liking and disliking of records, and
messages between users.
Geocoding and maps4,971Rubygeocoder, Google-Maps-for-Rails and 7 more »Geocoding is the process of finding associated geographic coordinates (often
expressed as latitude and longitude) from other geographic data, such as street
addresses, or ZIP codes.
HTTP Clients8,040Rubyhttparty, typhoeus and 14 more »Perform external HTTP requests with ease. Easily consume third-party APIs.
Internationalizing Rails Apps42RubyDrafti15r »Allow your app to talk multiple language, display different time and currency
formats and more.
Interview Training2,733WebFront-end-Developer-Interview-Questions, ruby-interview-questions »Common questions for developers' job interviews. Be prepared, dude.
Learning Git21,593Webgitignore, gitflow and 5 more »Basic and advanced Git wizardry. Includes guides, workflows, branching models,
and more.
Markdown parsers3,797Rubyredcarpet, sundown and 5 more »Render markdown in a variety of formats, including HTML, RDoc, and more.
Mass assignment protection811Rubystrong_parameters »Allow users to only assign values for fields they may access.
Memcached Clients1,502Rubydalli »Interfaces to Memcached, an excellent key-value store for caching objects and
response fragments.
Metrics: Event Logging & Aggregation & Exception Tracking & Stats Servers9,028RubyDraftsentry, fnordmetric and 7 more »
Money and Currencies1,371Rubymoney, twitter-cldr-rb and 5 more »Working with multiple currencies, exchange rates and finances in general.
Multi-step Forms1,818Rubyrails_apps_composer, wicked and 3 more »Create wizard forms with multiple steps for the user to fill.
Onlineshops4,959Rubyspree, ror_ecommerce and 2 more »Complete open-source online shopping systems built on Ruby on Rails and API
Clients for hosted shop solutions.
Open-Source Apps1,209RubyDraftkandan, railscrm »Learn from great open-sourced applications and improve your style.
Pagination6,834Rubykaminari, will_paginate and 5 more »Display records in pages, and allow users to navigation those pages.
Payments with Stripe1,782Rubyrails-stripe-membership-saas, lucre and 11 more »Get paid using Stripe for credit card processing.
Presenters and decorators2,418Rubydraper, active_decorator and 2 more »Object-oriented programming for your views.
Project Management Apps12,392Rubygitlabhq, teambox and 5 more »Self-hosted project management and collaboration apps, including source code and
git hosting.
Rails App Generators & Bootstrapped Templates1,986RubyDraftrails_apps_composer, rails3-application-templates and 7 more »
Rails App Tutorials2,849RubyDraftrails-stripe-membership-saas, rails3-devise-rspec-cucumber and 6 more »
Ruby & Rails Styleguides5,440RubyDraftruby-style-guide, rails-style-guide and 3 more »Write idiomatic and lasting Ruby and Rails code and learn about best practices.
Ruby Implementations10,088Rubyruby, mruby and 4 more »Implementations of the Ruby Language for a variety of platforms and use cases.
Scheduling Recurring Background Jobs6,132RubyDraftwhenever, resque-scheduler and 4 more »Cron jobs for Ruby. Schedule jobs with a certain frequency, at certain times or
events.
Searching with ElasticSearch1,736Rubytire, stretcher and 4 more »Provide searching, filtering, and full-text searching capabilities for your
applications. Integrate ElasticSearch with Ruby and Ruby on Rails. Update search
indexes automatically on record changes with callbacks and observers.
Send snail mail151Rubysnail, biggs and 2 more »Enable your app to send physical letters, printed by a lettershop. Validate
incoming post adresses.
Speeding up development4,425RubyDraftzeus, spork and 4 more »Start continuous testruns more quickly.
Spreadsheets2,371RubyDraftaxlsx, comma and 13 more »Read and write .xls, .xlsx and .csv files that Excel understands. Import CSV
data into Rails.
State Machines5,068Rubystate_machine, aasm and 6 more »Transition between states in ActiveRecord and Mongoid.
Static Sites18,677Rubyjekyll, middleman and 18 more »Build static sites using all your favorite gems and compile them to HTML, CSS
and Javascript when deploying.
Sublime Text Plugins12,993Webcolour-schemes, emmet-sublime and 18 more »Notable packages and themes for the Sublime Text Editor.
Syntax Highlighting581RubyDraftrouge, coderay »Server-side syntax highlighting for different languages.
Testing Javascript1,359Rubykonacha, jasminerice and 1 more »Test runners for your javascript files running on top of Rails.
Testing: Custom RSpec Matchers746Rubyshoulda-matchers, valid_attribute and 2 more »Matchers for special occasions.
Tests: Fabricate Objects4,530Rubyfactory_girl, machinist and 2 more »Set up Ruby objects as test data.
Texteditors21,768Webbrackets, textmate and 3 more »A bunch of great open-source text editors. Please note that open-source does not
always mean free.
Translation interfaces24Rubytranslation_center »Bring your app to more users in different countries by allowing them to
translate your service.
Twitter Bootstrap for Rails Extensions1,870RubyDraftless-rails-bootstrap, bootstrap-rails and 6 more »
URL Parsers606Rubyaddressable, domainatrix »Split domains and urls into their various parts and more.
Uptime Monitoring1,226Webuptime »Can users reach your service? If not, you'll instantly be notified.
User Authentication16,437Rubydevise, omniauth and 5 more »Allow users to authenticate with your app by providing them with dedicated user
accounts. Authenticate with email and password or via Facebook or Twitter oAuth.
User Authorization7,067Rubycancan, rolify and 10 more »Authorize user actions on resources based on policies, abilities or roles.
Authenticate your users beforehand.
User Input Rendering Pipelines227Rubyslodown »Multi-step processing for user inputs. Render Markdown, sanitize HTML, auto-link
urls and embed external videos and photos in a pipeline.
Web App Frameworks28,249Rubyrails, sinatra and 7 more »Comprehensive web application frameworks that help you develop web applications
in style and speed. There's a variety of frameworks, each specializing in
solving various challenges.
Working with Autocompleting Searches6,081Ruby, Javascripttypeahead.js, rails3-jquery-autocomplete and 5 more »Autocomplete user inputs for a great user experience.
Working with Enumerations940Rubyenumerize, classy_enum and 5 more »Enumeration helpers for ActiveRecord and Mongoid.
Working with Facebook5,705Rubyomniauth, koala »Gems and links that help with reading from and writing to Facebook.
Working with Github8,741Rubyomniauth, hub and 8 more »Interact with the Github API or authenticate users via oAuth.
Working with Incoming Emails1,239RubyDraftmailman, griddler and 2 more »Receive and process inbound emails in Ruby and Rails.
Working with Key-Value Stores318RubyDraftmoneta, toystore and 1 more »ORMs and Interfaces for Key-Value Stores, including Redis et al.
Working with MongoDB4,231Rubymongoid, mongomapper and 1 more »Object-relational mappers for MongoDB and further plugins.
Working with MongoId6,152Rubymongoid, rails3-mongoid-devise and 21 more »Plugins for the MongoId ORM, a great object-relational mapper for MongoDB in
Ruby.
Working with NoSQL Datastores1,219RubyDraftcassandra, ripple and 1 more »Object-relational mappers for datastores such as Riak and Cassandra.
Working with Payments4,024Rubyactive_merchant, stripe-ruby and 12 more »Process payments in Ruby. Encourage users to pay you easily by credit card or
Paypal. Manage subscriptions and your billing process.
Working with Phone Numbers646Rubycountries, phony and 4 more »Parse and validate international phone numbers.
Working with SMS650Rubytwilio-ruby, twilio and 2 more »Send and receive short text messages. Send texts to mobile phones.
Working with Telephony1,092Rubytwilio-ruby, adhearsion and 3 more »Create telephone and conference calls and more for your business.
Working with Twitter10,189Rubyomniauth, twitter and 9 more »Access Twitter with a dedicated API client, or authenticate users via oAuth.
Working with time and dates3,082Rubychronic, stamp and 4 more »Parse and format times and extract dates from natural language.
oAuth Authentication and Servers7,416Rubyomniauth, doorkeeper and 9 more »Become an oAuth provider, and add oAuth authentication to your app. Add a
security layer to your API.