Helper methods for dealing with html element attributes.

HasEditablePassword extends has_secure_password with updating capabilities. On password update, the old password or a recovery token is asked.

A Ruby gem that provides geographic lookup functionality using both GeoBoundaries.org and Geonames.org datasets. Features include coordinate validation with radian/degree detection, spatial containment queries, distance-based lookups, and data coverage analysis utilities.

This plugin for Rails allows several web apps in an authentication domain to share session state, facilitating single sign-on in a distributed web app. It only provides session sharing and does not concern itself with authentication or replication of the user database.

Hash helpers to map complex JSON to ruby objects. Handles associations and eager loading and collection injection

This gem provides accessor methods to hash keys.

Make it easy to use handles (callsigns/monikers/usernames) in URLs, even if they might be blank. Provides sensible validations and a find_by_id_or_handle method.

Useful method to fetch data from complex hashes and arrays

A simple client for the hashblue api

It's the Hashblue API, stupid!

provides whitelist feature to ruby hashes

Provides some conveniences for validating and manipulating hash-like data.

Ruby DSL for parsing hashes

Like Factory Girl but for Hashes only

Add accessor methods that delegate to key/values of a hash attribute.

Make consistent hashcodes from flat Hashes, regardless of key ordering. Useful for hashing rows in a table.

A utilitarian lib to extract data from complex Hashes using String path with recursions

Some common, practical hash hash_extensions

Recursively filter hashes

Hashformer provides a simple, Ruby Hash-based way of transforming data from one format to another. It's vaguely like XSLT, but way less complicated and way more Ruby.