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A DSL for building fun, high-performance DNS servers.

Build realtime Ruby web applications. Created by the fine folks at Poll Everywhere.

The Ruby gem for querying Maxmind.com's GeoIP database, which returns the geographic location of a server given its IP address

Artificial Intelligence for Ruby - A Ruby playground for AI researchers

Implementation of the Trello API for Ruby

📫 Rails Engine to preview emails in the browser

'httpclient' gives something like the functionality of libwww-perl (LWP) in Ruby.

A framework for creating e-books from Markdown using Ruby. Using the Prince PDF generator, you'll be able to get high quality PDFs. Also supports EPUB, Mobi, Text and HTML generation.

🎨 The Ruby 2D gem

SchemaPlus provides a collection of enhancements and extensions to ActiveRecord

Database constraints made easy for ActiveRecord.

Terminal output styling with intuitive and clean API.

Ruby library for Pusher Channels HTTP API

Pipal, THE password analyser

Fine-grained concurrency for Ruby

Opinionated rails application templates.

:cake: Version Cake is an unobtrusive way to version APIs in your Rails or Rack apps

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

Upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates functions (UDF) for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.

xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.

The wise choice for Ruby memoization

A fist full of code metrics

A slice of functional programming to chain ruby services and blocks, thus providing a new approach to flow control. Make them flow!

[MIRROR] Ruby interface to the GraphViz graphing tool

No description.

TinyTDS - Simple and fast FreeTDS bindings for Ruby using DB-Library.

🐊 Run processes in the background (and foreground) on Mac & Linux from a Procfile (for production and/or development environments)

A Ruby Gem that adds annotations to your Rails models and route files.

A thin Ruby wrapper to the Neo4j Rest API

ActsAsTree -- Extends ActiveRecord to add simple support for organizing items into parent–children relationships.