Geokit provides geocoding and distance/heading calculations.

Finds stewards for a given file.

A simple connection pool, that allows connections to different servers (or anything else)

attach comments to your ActiveRecord queries

Mongoid is an ODM (Object Document Mapper) Framework for MongoDB, written in Ruby.

This gem provides a simple API for multiple storage backends. Supported storages: Amazon S3 and FileSystem.

Minimal storage interface

API to access strava API, v2

Yo dawg! I heard you like feeds so I multiplexed them

SAX/Stream style parse helpers

Whitelist and typecheck your parameters at the controller level

Permitted and required parameters for Action Pack

Structured event logging interface

A structured logger with Ruby's Logger interface.

Microsoft Azure Client Library for Ruby

Create collections of stylized labels without effort

plain text stylesheets

Wrap the Subversion CLI to extract some usage patterns into commands

Abstract layer for managing mailing list subscriptions

A few small updates to make even more concise Ruby.