The easier way to monitor servers and web applications. Monitor server load, watch for slow web requests, graph internal application data and much more.
Instrumental makes it easy monitor your application metrics in realtime.
Featured categories
Working with Twitter14,848Rubyomniauth, twitter and 9 more »Access Twitter with a dedicated API client, or authenticate users via oAuth.
Working with Facebook8,810Rubyomniauth, koala »Gems and links that help with reading from and writing to Facebook.
User Authentication27,009Rubydevise, 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.
A/B Testing6,406Rubysplit, vanity 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 Builders21,151Rubygrape, rails-api and 11 more »Develop APIs with nice and consistent APIs. Your user's will love you.
API Caching and Rate Limiting2,173Rubyrack-attack, limiter and 1 more »Optimize your API's performance and behavior.
API Versioning2,148Rubyrocket_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 services1,675Rubygmail, linkedin and 2 more »Great Ruby wrappers for APIs of popular web services. Interface with Facebook,
Twitter, and more.
API: Create Ruby API Clients2,139Rubynestful, blanket and 2 more »Build an API client for your favorite web service.
API: Great API examples1,034Rubybcx-api, api-documentation »Docs of great APIs to reference when building your own implementations.
ActionMailer: Email Previews5,963Rubymailcatcher, letter_opener and 3 more »Preview emails easily in development instead of sending them. Test the visual
design of your emails.
ActiveModel: Custom Validations2,729Rubyvalidates_timeliness, activevalidators and 25 more »Validate email, social profiles, urls, dates or post addresses and much more.
ActiveRecord: Caching1,031Rubyidentity_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: Comments2,986Rubyjuvia, acts_as_commentable and 1 more »Enable comments for your posts.
ActiveRecord: Data Migrations430Rubylarge-hadron-migrator, data_migrator »Migrate data schemas between different formats, including some schema
versioning.
ActiveRecord: Database Sharding2,234Rubyoctopus, db-charmer and 2 more »Distribute data across multiple databases.
ActiveRecord: Flags307Rubyflag_shih_tzu »Flag implementations apart from a range of boolean fields on your model.
ActiveRecord: Miscellaneous1,835Rubyactive_scaffold, upsert and 2 more »Various ActiveRecord extensions.
ActiveRecord: Multitenant Apps1,399Rubyapartment, acts_as_tenant and 2 more »Various approaches for separating data for different customers of yours.
ActiveRecord: Named scopes10,902Rubyransack, squeel and 10 more »With scopes you can make your database queries more precise. Named scopes help
you reuse these helpers.
ActiveRecord: Nesting records6,354Rubyancestry, awesome_nested_set and 9 more »Easily and efficiently make your ActiveRecord model support hierarchies.
ActiveRecord: Normalize attributes614Rubyattribute_normalizer, strip_attributes and 1 more »Sanitize user input before saving it to the database. Strip whitespace, html
tags and more.
ActiveRecord: Rating / Liking / Voting5,401Rubyactiverecord-reputation-system, recommendable and 10 more »Tag, rate, vote or like records, and build social networks around these data
points.
ActiveRecord: Schema annotations2,633Rubyannotate_models, railroady »Annotate ActiveRecord models with table schema data.
ActiveRecord: Serialized attributes723Rubyactiverecord-postgres-hstore, store_configurable and 1 more »Store hashes and more in Postgres and other SQL datastores.
ActiveRecord: Soft Destroying1,849Rubyparanoia, rails3_acts_as_paranoid and 6 more »Mark records as destroyed instead of actually removing them. Recover them later
on.
ActiveRecord: Sortable lists2,311Rubyacts_as_list, datagrid 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 auditing5,633Rubypaper_trail, audited and 4 more »Track changes to your models' data. Audit updates and keep a history of
revisions.
Activity Tracking1,683Rubypublic_activity, stream-rails »Track and display changes to your models, e.g. in an activity stream.
Admin Interfaces for Rails14,381Rubyrails_admin, active_admin and 10 more »Ready-made administration interfaces with authentication logics and nice DSLs
for your Rails apps.
Advanced Querying with ActiveRecord8,422Rubyransack, squeel and 6 more »Retrieve data from complex queries, built easily.
Airplay1,613Rubyairplay, airstream and 1 more »Stream music and videos to Apple Airplay compatible devices from Ruby.
App Servers14,521Rubypuma, rack and 9 more »Web application servers than run your deployed code efficiently. Can increase
throughput on any platform.
Application Configuration Variables6,287Rubydotenv, figaro and 4 more »Configure your app with environment variables and more. Keep sensitive data out
of your version control system.
Apps: Chat Servers4,974Webkandan, Balloons.IO and 1 more »Complete team chat apps for self-hosting and code review.
Apps: Miscellaneous2,135Rubyboxroom, pws and 4 more »Various open-source apps for the web or the command line, such as a Pomodoro
time manager.
Assets9,135Rubyhelium-css, csscss and 3 more »Optimize stylesheets and javascript files before sending them to the browser by
removing whitespace and more.
Autolinking and Embedding Content2,479Rubyauto_html, twitter-text-rb and 4 more »Auto-extract and link urls from user inputs or tweet bodys.
Automating Web Interaction2,861Rubymechanize, watir-webdriver »Automatically visit websites, click links, fill out and submit forms.
Background Jobs19,897Rubyresque, sidekiq and 8 more »Scale your web app by transferring long-running tasks from the web processes to
dedicated background workers.
Business Advice61WebDraftLearningToWalk »Various bits of good business writing by and for developers from around the web.
Child processes731Rubychildprocess, posix-spawn and 1 more »Managing child processes made comfortable.
Cient-side Form Validations2,118Rubyclient_side_validations, html5_validators and 1 more »Pre-validate user input in the browser. Enable a great user experience.
Code quality metrics15,777Rubyrubocop, rails_best_practices and 9 more »Get stats for your code. Where can you improve?
Command line: Customize your terminal23,865Weboh-my-zsh, dotfiles »Customize your terminal and speed up common operations with shortcuts and more.
Concurrency10,020Rubycelluloid, eventmachine and 4 more »Create highly-concurrent gems and programs in Ruby. Base for great and speedy
open-source projects.
Content Management Systems13,467Rubyrefinerycms, engine and 19 more »Open-source CMS in Ruby (cockpit is PHP)
Continuous integration servers8,520RubyDrafttravis-ci, janky and 4 more »Distributed build systems and CI servers.
Countries2,330Rubycountries, countries 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 documents9,763Rubyprawn, wicked_pdf and 11 more »Want to print some PDFs in Ruby? Here are your options.
Edit in Place9,602Javascript, RubyDraftmercury, x-editable and 5 more »Edit content in place in a what-you-see-is-what-you-get style.
Fabricate Fake Data3,047Rubyfaker, ffaker and 1 more »Generate large amounts of fake data e.g. for testing purposes.
File Uploads18,078Rubypaperclip, 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 Rails14,192Rubysimple_form, formtastic 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 Bootstrap1,168RubyDraftformtastic-bootstrap, twitter_bootstrap_form_for and 1 more »Form builders that help generate markup that can be quickly styled with Twitter
Bootstrap.
Form models5,646Rubyvirtus, reform »Tableless models. Including validation, and ActiveModel behaviour. Great for
forms that create multiple records.
Forum Engines16,188Rubydiscourse, 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 Caching1,058Rubycache_digests, multi_fetch_fragments »Easily cache rendered view fragments to speed up your application.
Frameworks: Scripting & Command Line Applications8,124Ruby, JavascriptDraftthor, rake and 7 more »Build command line applications, and manage repetitive tasks with style.
Friendly Ids in ActiveRecord4,145RubyDraftfriendly_id, stringex 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'.
Friendships5,423Rubycommunityengine, activerecord-reputation-system and 4 more »Build social networks, with friendships, liking and disliking of records, and
messages between users.
Fuzzy String Matching / Fuzzy Text Search442Rubyfuzzy_match, amatch »Another cool way of full text searching.
Geocoding and maps9,965Rubygeocoder, 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 Clients15,797Rubyhttparty, rest-client and 14 more »Perform external HTTP requests with ease. Easily consume third-party APIs.
Interactions1,178Rubymutations, active_interaction »Compose business logic into commands that sanitize and validation input. Extends
form objects and form models to perform defined transformations with your data.
Internationalizing Rails Apps797RubyDrafti18n-tasks, i15r »Allow your app to talk multiple language, display different time and currency
formats and more.
Interview Training10,958WebFront-end-Developer-Interview-Questions, code-problems »Common questions for developers' job interviews. Be prepared, dude.
Learning Git42,074Webgitignore, legit and 5 more »Basic and advanced Git wizardry. Includes guides, workflows, branching models,
and more.
Markdown parsers5,743Rubyredcarpet, kramdown and 5 more »Render markdown in a variety of formats, including HTML, RDoc, and more.
Mass assignment protection1,114Rubystrong_parameters »Allow users to only assign values for fields they may access.
Mathematics and Statistics512RubyDraftdescriptive_statistics, aggregate »Your calculations just got easier.
Memcached Clients2,169Rubydalli »Interfaces to Memcached, an excellent key-value store for caching objects and
response fragments.
Metrics: Event Logging & Aggregation & Exception Tracking & Stats Servers15,561RubyDraftsentry, fnordmetric and 7 more »
Money and Currencies3,018Rubymoney, countries and 5 more »Working with multiple currencies, exchange rates and finances in general.
Multi-step Forms2,704Rubywicked, rails_apps_composer and 3 more »Create wizard forms with multiple steps for the user to fill.
Onlineshops7,464Rubyspree, 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 Rails Apps15,047RubyDraftkandan, fat_free_crm »Learn from great open-sourced Ruby on Rails applications and improve your style.
Pagination9,042Rubykaminari, will_paginate and 5 more »Display records in pages, and allow users to navigation those pages.
Payments with Stripe9,936Rubyactive_merchant, skeuocard and 11 more »Get paid using Stripe for credit card processing.
Presenters and decorators5,018Rubydraper, active_decorator and 2 more »Object-oriented programming for your views.
Project Management Apps20,682Rubygitlabhq, redmine and 5 more »Self-hosted project management and collaboration apps, including source code and
git hosting.
Rails App Tutorials3,514RubyDraftrails-stripe-membership-saas, rails3-bootstrap-devise-cancan and 6 more »
Ruby & Rails Styleguides11,546RubyDraftruby-style-guide, rails-style-guide and 3 more »Write idiomatic and lasting Ruby and Rails code and learn about best practices.
Ruby Implementations15,582Rubyruby, mruby and 4 more »Implementations of the Ruby Language for a variety of platforms and use cases.
Scheduling Recurring Background Jobs11,574RubyDraftwhenever, clockwork and 4 more »Cron jobs for Ruby. Schedule jobs with a certain frequency, at certain times or
events.
Searching with ElasticSearch6,419Rubysearchkick, retire 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.
Searching with Sphinx1,536Rubythinking-sphinx, riddle »Full-text search with the Sphinx search engine.
Send snail mail251Rubysnail, going_postal and 2 more »Enable your app to send physical letters, printed by a lettershop. Validate
incoming post adresses.
Speeding up development6,223RubyDraftzeus, spring and 4 more »Start continuous testruns more quickly.
Spreadsheets5,369Rubyaxlsx, roo and 13 more »Import and export spreadsheet data in .xls and .csv formats and more.
State Machines7,554Rubyaasm, workflow and 6 more »Transition between states in ActiveRecord and Mongoid.
Static Sites31,025Rubyjekyll, middleman and 18 more »Build static sites using all your favorite gems and compile them to HTML, CSS
and Javascript when deploying.
Sublime Text Plugins24,199Webemmet-sublime, colour-schemes and 18 more »Notable packages and themes for the Sublime Text Editor.
Syntax Highlighting1,423RubyDraftrouge, coderay »Server-side syntax highlighting for different languages.
Testing Javascript2,675Rubyteaspoon, konacha and 1 more »Test runners for your javascript files running on top of Rails.
Testing: Custom RSpec Matchers6,211Rubybetterspecs, shoulda-matchers and 2 more »Matchers for special occasions.
Tests: Fabricate Objects5,972Rubyfactory_girl, fabrication and 2 more »Fabricator, factories, fixture replacements, whatever you'd like to call them.
Use one of them in your test suite.
Texteditors35,381Webbrackets, textmate and 3 more »A bunch of great open-source text editors. Please note that open-source does not
always mean free.
Translation interfaces1,517Rubyshuttle, phrasing »Bring your app to more users in different countries by allowing them to
translate your service or customize text, even if you're using only one
language.
URL Parsers983Rubyaddressable, domainatrix »Split domains and urls into their various parts and more.
Uptime Monitoring2,487Webuptime »Can users reach your service? If not, you'll instantly be notified.
User Authentication27,009Rubydevise, 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 Authorization15,642Rubypundit, cancancan and 10 more »Authorize user actions on resources based on policies, abilities or roles.
Authenticate your users beforehand.
User Input Rendering Pipelines246Rubyslodown »Multi-step processing for user inputs. Render Markdown, sanitize HTML, auto-link
urls and embed external videos and photos in a pipeline.
Web App Frameworks38,130Rubyrails, 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 Searches15,302Ruby, Javascripttypeahead.js, awesomplete and 5 more »Autocomplete user inputs for a great user experience.
Working with Enumerations2,116Rubyenumerize, pacecar and 5 more »Enumeration helpers for ActiveRecord and Mongoid.
Working with Facebook8,810Rubyomniauth, koala »Gems and links that help with reading from and writing to Facebook.
Working with Github12,598Rubyomniauth, hub and 8 more »Interact with the Github API or authenticate users via oAuth.
Working with Incoming Emails2,419RubyDraftmailman, griddler and 2 more »Receive and process inbound emails in Ruby and Rails.
Working with Key-Value Stores663RubyDraftmoneta, toystore and 1 more »ORMs and Interfaces for Key-Value Stores, including Redis et al.
Working with MongoDB5,191Rubymongoid, mongomapper and 1 more »Object-relational mappers for MongoDB and further plugins.
Working with MongoId7,451Rubymongoid, mongoid-slug and 21 more »Plugins for the MongoId ORM, a great object-relational mapper for MongoDB in
Ruby.
Working with NoSQL Datastores1,286RubyDraftcassandra, ripple and 1 more »Object-relational mappers for datastores such as Riak and Cassandra.
Working with Payments8,470Rubyactive_merchant, skeuocard 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 Numbers1,603Rubycountries, phony and 4 more »Parse and validate international phone numbers.
Working with SMS996Rubytwilio-ruby, nexmo and 2 more »Send and receive short text messages. Send texts to mobile phones.
Working with Telephony1,553Rubytwilio-ruby, adhearsion and 3 more »Create telephone and conference calls and more for your business.
Working with Twitter14,848Rubyomniauth, twitter and 9 more »Access Twitter with a dedicated API client, or authenticate users via oAuth.
Working with time and dates6,266Rubychronic, groupdate and 4 more »Parse and format times and extract dates from natural language. Work with time
or date ranges.
oAuth Authentication and Servers10,339Rubyomniauth, doorkeeper and 9 more »Become an oAuth provider, and add oAuth authentication to your app. Add a
security layer to your API.