I81n aims that make I18n easy to use.

Decenterized file storage

Easily import iCal Events from a URL and handle their output

ice_cube is a recurring date library for Ruby. It allows for quick, programatic expansion of recurring date rules.

Guess the secret code

Pie Chart is a gem for pizza making. It uses D3 (Data Driven Documents) to aggregate the data and render the SVG awesomeness.

Thin gem wrapper that uses imagemagick and python-opencv to help determine image quality of e.g. user portraits.

A set of validators for image files. Currently it includes validators for image dimensions. See details in http://github.com/evedovelli/image_validators

imap_archiver is a command line tool to archive messages on an imap server. You tell it what folders to archive and where to archive it. For every folder that is archived a series of folders (one for each month) is created inside the archive folder.

immunoscore_results_aggregator

This gem provides immutability validation. This is different from `readonly: true` stuff because it sets the error.

nUp & booklets

Adds improved logging capabilities to the ActiveSupport::BufferedLogger class

Improves typography (quotes, hyphens, etc.) of a given string. Works well with I18n.

Implementation of publish/subscribe design pattern

A Ruby interface to the infoRouter SOAP API.

Gem to interact with inkling markets API

A simple encryption tool based on common convention

Given an existing MySQL database, Inspectar will dynamically generate activerecord classes for each of the tables.

Setup your rails project with everything you need quickly. Not really a Gem, but everything you need is in the gem's files'.