Rails bindings for Unpoly, the unobtrusive JavaScript framework

Keeps passwords from being easily hackable.

UnQLite lib for ruby, using C extension.

Get original URLs from shortened ones

Simple and powerful implementation of the observer pattern.

a (very) small library for working with Universal Product Codes

A wrapper for the Uphold API

API wrapper builder with response serialization

Upmark has the skills to convert your HTML to Markdown.

Uptime Robot API client for Ruby.

Urban is a command line utility with an API to query definitions from Urban Dictionary.

Interface to urbandictionary.com

Interfacing with URBANopt

Copy one URL to another with optional cacheing

Verify URLs confirm to expected patterns. Ruby port of Jesse Pollak's Urlmatch

A simple, localizable ActiveModel::EachValidator for URL fields. Supports format validation as well as optional network reachability checks via HEAD (or any other HTTP verb) requests.

Utility methods to normalize and validate URNs

Simplify working with US bank holidays.

A gem to include all the USDA nutrient data quickly into a ruby project

Random HTTP User-Agent string generator