Ruby has the NKF.nkf() method, but the options are unclear by just looking at them, so this gem has methods like hiragana() so you know what you're changing your strings to

A client library to retrieve data from the Nike+ Developer Resources API.

A simple one-line-a-day journaling app.

This gem provides an easy-to-use Ruby SDK for connecting to the Kendez.NikSms SMS web service (REST & gRPC).

yma4r is Yahoo Morphological Analyzer wrapper For Ruby

Image Capturing and assertion at element level, all you need is a single assert statement

Allow nil to be temporarily changed to nil_value in the context of the call stack

Nil Conditional Operator in Ruby

This plugin stores NULL in your database when you try to store an empty string.

This module defines an YAMLColumn coder that returns nil instead of a blank object. Useful when the class you are serializing to/from does not allow uninitialized objects (such as a unit measurement)

Safely access hashes and JSONs while searching for deeply nested key-value pairs

Take your app from nil to chill in seven seconds or less

Provisions your machine

An Active Record connection adapter that connects to an abstract, in-memory database, enabling you to do black-box testing of Rails applications — without the database.

Ruby wrapper for the Nimble CRM Api.

Replace File and Path methods with Nim alternatives for speed

Simple throttler that base on the IP address

NimboLab client

Nimbo X Ruby Wrapper

Client library for NimbusSecure