A ruby gem for validating credit card numbers

Array/Hash/Struct#dig backfill for ruby

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

GraphQL::SchemaComparator compares two GraphQL schemas given their SDL and returns a list of changes.

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

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.

JSON Object Signing and Encryption

Until there is a Kindle API, this will suffice.

Rack compatible HTTP router for Ruby

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

A Redis backend store for Rack::Cache

Automatically load and include all common Reform features for a standard Rails environment.

SSRF Proxy is a multi-threaded HTTP proxy server designed to tunnel client HTTP traffic through HTTP servers vulnerable to HTTP Server-Side Request Forgery (SSRF).

This gem identifies valid tracking numbers and the service they're associated with. It can also tell you a little bit about the package purely from the number—there's quite a bit of info tucked away into those numbers, it turns out.

Websocket interface on Rack Hijack w/ Rails support

Testing utils for Action Cable

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.

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.