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

Proxies can even proxy other proxies

Send puma metrics to statsd via a background thread

RuboCop for git diff.

Pinyin is a romanization system (phonemic notation) of Chinese characters, this gem helps you to convert Chinese characters into pinyin form.

2 methods are provided for now - (1) naive bayes implementation + (2) tf-idf weights

Microsoft Azure Storage File Client Library for Ruby

Microsoft Azure Storage Queue Client Library for Ruby

Ruby port of EventEmitter from Node.js

A collection of libraries for working with SQL on top of ActiveRecord's connection.

This library allows you to recognize and build URLs in a Rack application.

Rack compatible HTTP router for Ruby

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)).

A Redis backend store for Rack::Cache

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.

Websocket interface on Rack Hijack w/ Rails support

APIFuzzer gem builds api for finding security issues through a fuzzer

AWS Recon is a command line tool to collect resources from an Amazon Web Services (AWS) account. The tool outputs JSON suitable for processing with other tools.

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.

High method and class churn has been shown to have increased bug and error rates. This gem helps you know what is changing a lot so you can do additional testing, code review, or refactoring to try to tame the volatile code.