Rails way to harness the power of SQL "EXISTS" statement

Simple, dependency-free Wilson score

ActiveRecord/Rails Integration for the Workflow library. Workflow is a finite-state-machine-inspired API for modeling and interacting with what we tend to refer to as 'workflow'.

Parses templates for render calls and uses them to precompile

N+1 count query killer for ActiveRecord

Add relational OLAP-like functionality for ActiveRecord

Generate 'Add To Calendar' URLs for Android, Apple, Google, Hey, Office 365, Outlook, Outlook.com and Yahoo calendars

Clarify your dependencies by adding a detailed comment to each line in Gemfile specifying the gem's summary and its website if any.

The appengine gem is a set of classes, plugins, and tools for integration with Google App Engine. It provides access to the App Engine runtime environment, including logging to the Google Cloud Console and interrogation of hosting properties. It also provides Rake tasks for managing your App Engine application, for example to run production maintenance commands such as database migrations. This gem is NOT required to deploy your Ruby application to App Engine.

Aptible CLI

Arduino Firmata protocol (http://firmata.org) implementation on Ruby.

Extension for ActiveRecord that adds support for PostgreSQL array columns, mapping string values to integers.

asciidoctor-bibtex is an Asciidocotor extension that adds bibtex support for AsciiDoc documents. It does so by introducing two new macros: `cite:[KEY]` and `bibliography::[]`. Citations are parsed and replaced with formatted inline text, and reference lists are automatically generated and inserted where the `bibliography::[]` macro is placed. The references are formatted using styles provided by CSL.

autoproj is a manager for sets of software packages. It allows the user to import and build packages from source, still using the underlying distribution's native package manager for software that is available on it.

Like alias_method, but it's cache_method!

Wraps CanCan and RoleModel up to make role based authorisation really easy in Rails 3.x.

A practical worflow for AWS CloudFormation

Filter logfiles based on a time range

Syncs CHANGELOG entries to GitHub's release notes

Connects CI::Reporter to Minitest