The finance library provides a Ruby interface for working with interest rates, mortgage amortization, and cashflows (NPV, IRR, etc.).

This gem helps create large (>50) gmail filter chains by writing xml compatible with gmail's "import/export filters" feature.

An easy to configure, easy to extend monitoring framework written in Ruby.

A minimal wrapper around the google calendar API

A ruby, zero-dependency, super small version of IP2Location LITE country lookups

ISO 639-1 and ISO 639-2 language code entries and convenience methods.

Ruby bindings for Lindera, a morphological analysis library for CJK text (Japanese, Korean, Chinese).

Adds a method to MiniTest that stubs any instance of a class.

RSpec and Minitest matchers to prevent N+1 queries problem. Evaluates code under consideration several times with different scale factors to make sure that the number of DB queries behaves as expected (i.e. O(1) instead of O(N)).

Generate Dockerized Ruby on Rails applications using best practices.

Use jQuery's autocomplete plugin with Rails 4+.

Rice is a C++ interface to Ruby's C API. It provides a type-safe and exception-safe interface in order to make embedding Ruby and writing Ruby extensions with C++ easier.

RuboCop for git diff.

Expose the bundled libstemmer_c library to Ruby.

StreetAddress::US allows you to send any string to parse and if the string is a US address returns an object of the address broken into its constituent parts. A port of Geo::StreetAddress::US by Schuyler D. Erle and Tim Bunce.

Program in YAML — Code is Data

Airtable client to make Airtable interactions a breeze

The AWS X-Ray SDK for Ruby enables Ruby developers to record and emit information from within their applications to the AWS X-Ray service.

Microsoft Azure Storage File Client Library for Ruby

Microsoft Azure Storage Queue Client Library for Ruby